{"title":"Performance Testing","description":"\u003cdiv class=\"Polaris-Layout__Section\"\u003e\n\u003cdiv class=\"Polaris-BlockStack\"\u003e\n\u003csection class=\"section level-1 padding-none\"\u003e\n\u003cdiv class=\"Polaris-Box\"\u003e\n\u003cdiv class=\"Polaris-BlockStack\"\u003e\n\u003cdiv class=\"Polaris-Box\"\u003e\n\u003cdiv class=\"Polaris-BlockStack\"\u003e\n\u003cdiv class=\"Polaris-BlockStack\"\u003e\n\u003cp class=\"paragraph color-subdued tone-auto font-variant-numeric-auto\"\u003ePortable, research-grade VO2 Max testing with optional Muscle O2 and Lactate analysis. Train smarter with personalized zones and longevity insights from DeNovo Longevity.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","products":[{"product_id":"vo2-max-muscle-o2-saturation","title":"VO2 Max \u0026 Muscle O2 Saturation","description":"\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003e\u003cstrong\u003eMeasure what matters. Train with precision. Build the engine that carries you through life.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003eVO2 Max is one of the strongest predictors of healthspan and longevity ever identified — and one of the few markers of how well you'll live, and how long, that you can actively train. The catch: you can't train what you don't measure with precision, and generic age-based heart rate zones miss the mark by a wide margin.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003eDeNovo brings laboratory-grade VO2 Max testing — the same caliber used by elite endurance athletes and university exercise physiology labs — out of the lab and into your real training environment. Portable, research-grade equipment means your test happens on your bike, on your trails, in the gym you actually use. The data reflects how your body performs where it matters.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003eChoose the level of insight that fits your goals.\u003c\/p\u003e\n\u003ch3 class=\"text-text-100 mt-3 -mb-1 text-[1.125rem] font-bold\"\u003eChoose Your Protocol\u003c\/h3\u003e\n\u003ch4 class=\"text-text-100 mt-2 -mb-1 text-base font-bold\"\u003eFoundations — VO2 Max Test\u003c\/h4\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003e\u003cem\u003eSingle session | Portable research-grade VO2 assessment\u003c\/em\u003e\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003eThe Foundations test delivers a full laboratory-grade assessment of your cardiorespiratory fitness using portable, wearable VO2 analysis. You'll complete a structured graded exercise protocol in your real training environment whenever possible, with continuous breath-by-breath analysis throughout.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003eYour report includes your VO2 Max value with age- and sex-matched percentile rankings, your individualized ventilatory thresholds (VT1 and VT2), your true heart rate training zones, your substrate utilization curve, and a written interpretation tied to your goals — whether that's improving cardiovascular fitness, building endurance for sport, optimizing fat utilization, or investing in long-term healthspan.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003eThis is the right starting point for adults who want to replace guesswork with data and build training on a foundation of objective physiology.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003eIncludes the full assessment, written report, and debrief consultation.\u003c\/p\u003e\n\u003ch4 class=\"text-text-100 mt-2 -mb-1 text-base font-bold\"\u003eAdvanced — VO2 Max + Muscle O2 Test\u003c\/h4\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003e\u003cem\u003eSingle session | Portable VO2 analyzer + NIRS muscle oxygenation\u003c\/em\u003e\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003ePremier builds on Foundations by adding simultaneous Muscle O2 Saturation monitoring throughout the assessment. A wearable NIRS sensor captures real-time muscle oxygenation alongside whole-body gas exchange data — giving you both layers of physiology, captured at the same time, in your real training environment.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003eIn addition to everything in Foundations, your report includes your muscle oxygen saturation profile across all intensities, a delivery-versus-utilization analysis identifying your primary performance limiter, muscle-level training thresholds to complement your heart rate zones, and reoxygenation kinetics as a marker of recovery capacity.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003eThis is the right choice for adults who train seriously, want to optimize the precision of their program, and want a more complete picture of cardiovascular and mitochondrial health.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003eIncludes the full assessment, written report, and debrief consultation.\u003c\/p\u003e\n\u003ch4 class=\"text-text-100 mt-2 -mb-1 text-base font-bold\"\u003eElite — VO2 Max + Muscle O2 + Lactate Test\u003c\/h4\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003e\u003cem\u003eSingle session | Complete three-system physiological profile\u003c\/em\u003e\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003eThe Elite test captures every layer of the oxygen cascade in a single session: whole-body gas exchange (VO2), local muscle oxygenation (SmO2), and blood metabolism (lactate). It is the most comprehensive performance and physiology assessment DeNovo offers — the same caliber of testing used to prepare elite endurance athletes for world-level competition, now available for people who take their training and healthspan equally seriously.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003eThroughout your graded exercise protocol, the portable VO2 analyzer and NIRS sensor capture continuous data, while small finger-stick blood samples are collected at defined intensity stages to build your full lactate curve.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003eIn addition to everything in Premier, your report includes your directly measured lactate thresholds (LT1 and LT2), a three-system cross-validation of your training zones across gas exchange, muscle oxygenation, and blood metabolism, your lactate clearance profile as a marker of metabolic flexibility, and precision pacing guidance for endurance events and long sustained efforts.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003eThis is the right choice for adults who want the most complete view of their physiology available — whether you're training for a goal event, optimizing for healthspan with the highest possible precision, or want a definitive baseline to retest against over the coming years.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003eIncludes the full assessment, written report, and extended debrief consultation.\u003c\/p\u003e\n\u003ch3 class=\"text-text-100 mt-3 -mb-1 text-[1.125rem] font-bold\"\u003eThe Science Behind the Testing\u003c\/h3\u003e\n\u003ch4 class=\"text-text-100 mt-2 -mb-1 text-base font-bold\"\u003eVO2 Max — The Gold Standard of Cardiorespiratory Fitness\u003c\/h4\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003eVO2 Max measures the maximum volume of oxygen your body can take in and utilize during intense exercise. It is the most validated measure of cardiorespiratory fitness in exercise science — a window into the integrated function of your lungs, heart, vasculature, and skeletal muscle mitochondria all at once. People in the highest fitness categories live measurably longer, stay independent longer, and experience dramatically lower rates of cardiovascular disease, metabolic disease, and all-cause mortality.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003eA DeNovo VO2 Max test uses a portable, research-grade VO2 analyzer that delivers the same breath-by-breath gas analysis quality as a traditional lab metabolic cart, with the freedom to test in real-world environments. You wear a lightweight mask connected to the analyzer through a structured graded exercise protocol, producing a precise, individualized measurement of:\u003c\/p\u003e\n\u003cul class=\"[li_\u0026amp;]:mb-0 [li_\u0026amp;]:mt-1 [li_\u0026amp;]:gap-1 [\u0026amp;:not(:last-child)_ul]:pb-1 [\u0026amp;:not(:last-child)_ol]:pb-1 list-disc flex flex-col gap-1 pl-8 mb-3\"\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eVO2 Max\u003c\/strong\u003e — your maximum oxygen uptake (ml\/kg\/min), benchmarked against age and sex norms so you know exactly where you stand.\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eVentilatory Thresholds (VT1 and VT2)\u003c\/strong\u003e — the physiological tipping points that define your true training zones, replacing generic heart-rate-by-age estimates.\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eSubstrate Utilization\u003c\/strong\u003e — how efficiently your body burns fat versus carbohydrate at different intensities, a critical insight for metabolic health, body composition, and endurance.\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eHeart Rate Zones\u003c\/strong\u003e — true zones derived from your measured thresholds, not from a formula.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003eSport-specific testing produces sport-specific data. A runner tested while running, a cyclist tested on their own bike, a hiker tested on a real grade — each gets results that translate directly to the way they actually train.\u003c\/p\u003e\n\u003ch4 class=\"text-text-100 mt-2 -mb-1 text-base font-bold\"\u003eMuscle O2 Saturation (SmO2) — Seeing Inside the Working Muscle\u003c\/h4\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003eVO2 Max tells you how well your whole system delivers and uses oxygen. Muscle O2 Saturation tells you what's happening inside the specific muscle doing the work.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003eDeNovo uses a wearable near-infrared spectroscopy (NIRS) sensor — the same technology used by elite cycling teams and exercise physiology programs worldwide. The sensor attaches to the skin over a working muscle (typically the quadriceps, calf, or another primary mover for your sport) and uses near-infrared light to measure oxygen saturation in that muscle in real time.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003ePaired with VO2 testing, SmO2 monitoring adds insights whole-body measurements alone can't provide:\u003c\/p\u003e\n\u003cul class=\"[li_\u0026amp;]:mb-0 [li_\u0026amp;]:mt-1 [li_\u0026amp;]:gap-1 [\u0026amp;:not(:last-child)_ul]:pb-1 [\u0026amp;:not(:last-child)_ol]:pb-1 list-disc flex flex-col gap-1 pl-8 mb-3\"\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eLocal oxygen delivery and utilization\u003c\/strong\u003e — how well your cardiovascular system supplies the working muscle and how efficiently that muscle extracts and uses oxygen.\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eIdentification of your limiting factor\u003c\/strong\u003e — whether your performance ceiling is driven by oxygen delivery (cardiovascular) or oxygen utilization (mitochondrial\/muscular), with direct implications for how you should train.\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eMuscle-level training thresholds\u003c\/strong\u003e — precision beyond what heart rate alone can offer, especially for interval and high-intensity work.\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eRecovery dynamics\u003c\/strong\u003e — how quickly your muscle reoxygenates between efforts, a key marker of mitochondrial health and recovery capacity.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4 class=\"text-text-100 mt-2 -mb-1 text-base font-bold\"\u003eBlood Lactate — The Metabolic Confirmation\u003c\/h4\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003eLactate is one of the most studied biomarkers in exercise physiology. As exercise intensity rises, your muscles produce lactate faster than your body can clear it — and the inflection points in that curve correspond to fundamental shifts in how you're producing energy.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003eDeNovo lactate testing uses a portable, validated analyzer that measures lactate from a small finger-stick blood sample at defined stages of your test. Combined with VO2 and SmO2 data, lactate analysis gives you:\u003c\/p\u003e\n\u003cul class=\"[li_\u0026amp;]:mb-0 [li_\u0026amp;]:mt-1 [li_\u0026amp;]:gap-1 [\u0026amp;:not(:last-child)_ul]:pb-1 [\u0026amp;:not(:last-child)_ol]:pb-1 list-disc flex flex-col gap-1 pl-8 mb-3\"\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eLactate Threshold 1 (LT1) and Lactate Threshold 2 (LT2)\u003c\/strong\u003e — directly measured metabolic thresholds, the gold-standard confirmation of the aerobic-to-anaerobic transitions identified by ventilatory and muscle oxygen data.\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eCross-validated training zones\u003c\/strong\u003e — zones confirmed across three independent physiological systems (gas exchange, muscle oxygenation, and blood metabolism), eliminating ambiguity about where your true thresholds lie.\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eLactate clearance dynamics\u003c\/strong\u003e — how efficiently your body buffers and recycles lactate, a marker of metabolic flexibility that responds to targeted training.\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003ePrecision pacing for endurance events\u003c\/strong\u003e — race and long-effort intensities calibrated to the metabolic boundary you can actually sustain.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003eWhen all three measurements are captured in a single test, the result is the most complete physiological profile available outside of a high-performance sport lab.\u003c\/p\u003e\n\u003ch3 class=\"text-text-100 mt-3 -mb-1 text-[1.125rem] font-bold\"\u003eMore Than a Test\u003c\/h3\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003eEvery DeNovo VO2 Max Performance Test supports a broader, sustainable approach to training and healthspan. The data is most powerful when paired with:\u003c\/p\u003e\n\u003cul class=\"[li_\u0026amp;]:mb-0 [li_\u0026amp;]:mt-1 [li_\u0026amp;]:gap-1 [\u0026amp;:not(:last-child)_ul]:pb-1 [\u0026amp;:not(:last-child)_ol]:pb-1 list-disc flex flex-col gap-1 pl-8 mb-3\"\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eSmart programming\u003c\/strong\u003e — using your individualized zones to build aerobic capacity, sustain intensity tolerance, and respect recovery.\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eConsistency\u003c\/strong\u003e — VO2 Max responds to consistent training over months and years, not single hard sessions.\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003ePeriodic retesting\u003c\/strong\u003e — most people benefit from retesting every six to twelve months. Measuring change over time is where the real value emerges.\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eWhole-person health\u003c\/strong\u003e — pairing training data with sleep, nutrition, recovery, and broader biomarker context.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003eThe goal is not just a number on a report. It is a lifelong engine — one that keeps you moving, capable, and vital for decades to come.\u003c\/p\u003e\n\u003ch3 class=\"text-text-100 mt-3 -mb-1 text-[1.125rem] font-bold\"\u003eWhat's Included\u003c\/h3\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003eYour package price includes the full testing session, all equipment use, your individualized written report, and a debrief consultation to translate your results into a training plan. There are no hidden costs.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003e\u003cstrong\u003eLab-grade testing. Real-world conditions. Built for your healthspan.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003eTesting is conducted by trained exercise physiology staff and is appropriate for healthy adults. A brief health screening is required prior to testing; some conditions may require physician clearance. Individual results vary based on training history, genetics, and other factors.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003e\u003cem\u003eAvailable in the San Francisco Bay Area only.\u003c\/em\u003e\u003c\/p\u003e\n\u003chr class=\"border-border-200 border-t-0.5 my-3 mx-1.5\"\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003e\u003cem\u003eThis panel is intended solely for informational and wellness purposes to help inform lifestyle choices. It is not intended for diagnostic purposes and is not a substitute for medical advice. Please consult a licensed healthcare practitioner for any questions regarding diagnosis, prevention, or treatment of any disease or health condition.\u003c\/em\u003e\u003c\/p\u003e","brand":"DeNovo Longevity","offers":[{"title":"Foundations VO2 Max Testing","offer_id":49171026477298,"sku":null,"price":150.0,"currency_code":"USD","in_stock":true},{"title":"Advanced VO2 Max with Muscle O2 Saturation","offer_id":49171026510066,"sku":null,"price":225.0,"currency_code":"USD","in_stock":true},{"title":"Elite VO2 Max with Muscle O2 Saturation \u0026 Lactate","offer_id":49171026542834,"sku":null,"price":375.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0814\/5793\/8674\/files\/VO2MaxTesting.png?v=1778329055"},{"product_id":"muscle-oxygen-amp-blood-flow-assessment","title":"Muscle Oxygen \u0026 Blood Flow Assessment","description":"\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003e\u003cstrong\u003ePowered by NIRS technology\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003e\u003cstrong\u003eFind out whether your performance ceiling is delivery or utilization — and train the right limiter.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003eMost performance tests tell you \u003cem\u003ehow much\u003c\/em\u003e oxygen your body can use. Almost none tell you \u003cem\u003ewhere\u003c\/em\u003e the bottleneck actually is. When you hit the wall in a workout, is your cardiovascular system failing to deliver enough oxygen to the muscle? Or is the muscle itself failing to extract and use what's already there? Those are two completely different problems — and they require two completely different training responses.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003eThe Muscle Oxygen \u0026amp; Blood Flow Assessment answers that question directly.\u003c\/p\u003e\n\u003ch3 class=\"text-text-100 mt-3 -mb-1 text-[1.125rem] font-bold\"\u003eWhat It Measures\u003c\/h3\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003eUsing a professional-grade near-infrared spectroscopy (NIRS) sensor placed on the working muscle, paired with a heart rate monitor, this assessment captures three signals in real time across a graded exercise protocol:\u003c\/p\u003e\n\u003cul class=\"[li_\u0026amp;]:mb-0 [li_\u0026amp;]:mt-1 [li_\u0026amp;]:gap-1 [\u0026amp;:not(:last-child)_ul]:pb-1 [\u0026amp;:not(:last-child)_ol]:pb-1 list-disc flex flex-col gap-1 pl-8 mb-3\"\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eMuscle Oxygen Saturation (SmO2)\u003c\/strong\u003e — the percentage of oxygen saturation inside the working muscle tissue itself. This is the key signal almost no other test captures. It shows how well your muscle is \u003cem\u003eusing\u003c\/em\u003e oxygen at every intensity, not just how much is in your bloodstream.\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eTotal Hemoglobin (tHb)\u003c\/strong\u003e — a measure of blood volume in the muscle. It reveals how efficiently blood is being delivered to and cleared from the tissue under load, exposing circulatory limiters that arterial blood tests can't see.\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eHeart Rate\u003c\/strong\u003e — overlaid against your muscle-level data to map cardiovascular load against tissue response, intensity by intensity.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003eTogether, these three signals build a complete picture of your personal oxygen cascade — from heart to bloodstream to muscle to mitochondria — and identify exactly where your performance is being limited.\u003c\/p\u003e\n\u003ch3 class=\"text-text-100 mt-3 -mb-1 text-[1.125rem] font-bold\"\u003eWhy It Matters\u003c\/h3\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003eVO2 Max tells you the size of your engine. This test tells you how the engine is actually running under load. Two athletes with identical VO2 Max scores can have completely different limiters — one delivery-bound, one utilization-bound — and their training prescriptions should look nothing alike. Without NIRS data, you're guessing.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003eThis assessment removes the guesswork. The result is a precision training framework built around your actual physiology, not population averages.\u003c\/p\u003e\n\u003ch3 class=\"text-text-100 mt-3 -mb-1 text-[1.125rem] font-bold\"\u003eWho It's For\u003c\/h3\u003e\n\u003cul class=\"[li_\u0026amp;]:mb-0 [li_\u0026amp;]:mt-1 [li_\u0026amp;]:gap-1 [\u0026amp;:not(:last-child)_ul]:pb-1 [\u0026amp;:not(:last-child)_ol]:pb-1 list-disc flex flex-col gap-1 pl-8 mb-3\"\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eEndurance athletes optimizing pacing, threshold work, and recovery strategy\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eStrength and power athletes looking to extend repeated-effort capacity\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003ePerformance-focused adults who've already tested VO2 Max and want the next level of resolution\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eAnyone using structured training (cycling, running, rowing, hybrid) who's stopped progressing on volume alone\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eCustomers exploring breathwork, altitude protocols, or hypoxic training who want objective feedback on adaptation\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 class=\"text-text-100 mt-3 -mb-1 text-[1.125rem] font-bold\"\u003eWhat's Included\u003c\/h3\u003e\n\u003cul class=\"[li_\u0026amp;]:mb-0 [li_\u0026amp;]:mt-1 [li_\u0026amp;]:gap-1 [\u0026amp;:not(:last-child)_ul]:pb-1 [\u0026amp;:not(:last-child)_ol]:pb-1 list-disc flex flex-col gap-1 pl-8 mb-3\"\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003ePre-test consultation to align on goals and protocol\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eIn-person assessment using professional NIRS sensors, heart rate monitor, and a graded exercise protocol matched to your primary sport\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eReal-time data capture across rest, work, and recovery\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eA detailed report identifying your delivery vs. utilization profile, threshold zones, and recovery characteristics\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003ePost-test review with a DeNovo Longevity specialist to translate the data into a clear training framework\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 class=\"text-text-100 mt-3 -mb-1 text-[1.125rem] font-bold\"\u003ePairs Powerfully With VO2 Max\u003c\/h3\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003eVO2 Max measures the size of your aerobic engine. The Muscle Oxygen \u0026amp; Blood Flow Assessment shows how that engine performs at the tissue level. Together, they deliver the complete oxygen cascade — from breath to working muscle — and form the most comprehensive at-clinic performance profile DeNovo Longevity offers.\u003c\/p\u003e\n\u003ch3 class=\"text-text-100 mt-3 -mb-1 text-[1.125rem] font-bold\"\u003eLogistics\u003c\/h3\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003eThis assessment is conducted in person at a DeNovo Longevity partner facility. Sessions typically run 60–75 minutes, including pre-test setup, the graded protocol, and your post-test review. Your full report and data are delivered through the DeNovo Longevity portal.\u003c\/p\u003e\n\u003chr class=\"border-border-200 border-t-0.5 my-3 mx-1.5\"\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003e\u003cem\u003eThis panel is intended solely for informational and wellness purposes to help inform lifestyle choices. It is not intended for diagnostic purposes and is not a substitute for medical advice. Please consult a licensed healthcare practitioner for any questions regarding diagnosis, prevention, or treatment of any disease or health condition.\u003c\/em\u003e\u003c\/p\u003e","brand":"DeNovo Longevity","offers":[{"title":"Default Title","offer_id":49263755493618,"sku":null,"price":195.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0814\/5793\/8674\/files\/MuscleOxygen_BloodFlowAssessment_5ead81ea-eb74-499c-a382-3dd7069ae81c.jpg?v=1779751982"},{"product_id":"lactate-threshold-assessment","title":"Lactate Threshold Assessment","description":"\u003ch3 class=\"text-text-100 mt-3 -mb-1 text-[1.125rem] font-bold\"\u003eThe Same Metabolic Data That Built World Champions — Now Available to You\u003c\/h3\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003eFor more than four decades, lactate threshold testing has been the gold-standard tool used by every world-class endurance program — from Norwegian triathlon dynasties to Kenyan marathon camps to WorldTour cycling teams — is built on one foundational measurement: where your body's metabolism shifts gears.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003eMost athletes still train by feel, by age-predicted heart rate formulas, or by generic percentages pulled from a textbook. The result is a training prescription that's approximately right for the average person and precisely wrong for you. Lactate testing replaces that guesswork with physiology.\u003c\/p\u003e\n\u003ch3 class=\"text-text-100 mt-3 -mb-1 text-[1.125rem] font-bold\"\u003eWhat You'll Learn\u003c\/h3\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003eA single Lactate Threshold Assessment gives you three numbers that will reshape how you train:\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003e\u003cstrong\u003eYour Aerobic Threshold (LT1)\u003c\/strong\u003e — the upper boundary of true Zone 2. This is where mitochondrial development lives, where fat oxidation is maximized, and where the longevity-oriented endurance work prescribed by every leading exercise physiologist actually happens. Train above it and you compromise the adaptation. Most athletes who think they're doing Zone 2 are training a full zone too hard.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003e\u003cstrong\u003eYour Anaerobic Threshold (LT2)\u003c\/strong\u003e — the highest intensity you can sustain before lactate accumulates faster than you can clear it. This is your threshold pace, your hour-of-power, the ceiling for sustained efforts, and the anchor point for every interval prescription that matters.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003e\u003cstrong\u003eYour Metabolic Signature\u003c\/strong\u003e — the shape of your lactate curve reveals your substrate utilization and metabolic flexibility. A right-shifted curve indicates strong fat oxidation and aerobic capacity. A steep early rise indicates heavy glycolytic reliance and a clear need for more aerobic base work. Either way, you'll know exactly what your next training block should emphasize.\u003c\/p\u003e\n\u003ch3 class=\"text-text-100 mt-3 -mb-1 text-[1.125rem] font-bold\"\u003eThe Protocol\u003c\/h3\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003eYour assessment is a stepped incremental test conducted on a bike or treadmill, calibrated to your sport and current fitness:\u003c\/p\u003e\n\u003cul class=\"[li_\u0026amp;]:mb-0 [li_\u0026amp;]:mt-1 [li_\u0026amp;]:gap-1 [\u0026amp;:not(:last-child)_ul]:pb-1 [\u0026amp;:not(:last-child)_ol]:pb-1 list-disc flex flex-col gap-1 pl-8 mb-3\"\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eWarmup and baseline:\u003c\/strong\u003e 5–10 minutes of easy effort with a baseline lactate sample\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eProgressive stages:\u003c\/strong\u003e 5–7 stages of 3–4 minutes each, with intensity stepped up incrementally and a capillary lactate sample drawn in the final 20 seconds of each stage\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eHeart rate, pace\/power, and RPE\u003c\/strong\u003e tracked continuously throughout\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eTermination\u003c\/strong\u003e once you've clearly crossed LT2 — typically when lactate exceeds 6 mmol\/L\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eRecovery sampling\u003c\/strong\u003e at 1, 3, and 5 minutes post to assess lactate clearance\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003eTotal appointment time: 45–60 minutes. Unlike VO2 max testing, lactate threshold testing does not require pushing to absolute exhaustion — the protocol is significantly less brutal and lower-risk while delivering the data that most directly answers the question every serious athlete asks: \u003cem\u003ehow hard should I train, and at what pace?\u003c\/em\u003e\u003c\/p\u003e\n\u003ch3 class=\"text-text-100 mt-3 -mb-1 text-[1.125rem] font-bold\"\u003eWhat You Take Home\u003c\/h3\u003e\n\u003cul class=\"[li_\u0026amp;]:mb-0 [li_\u0026amp;]:mt-1 [li_\u0026amp;]:gap-1 [\u0026amp;:not(:last-child)_ul]:pb-1 [\u0026amp;:not(:last-child)_ol]:pb-1 list-disc flex flex-col gap-1 pl-8 mb-3\"\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eA one-page \u003cstrong\u003eTraining Zone Card\u003c\/strong\u003e with five precise zones anchored to your physiology — heart rate, pace or power, and RPE for each zone\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eA detailed \u003cstrong\u003eMetabolic Profile Report\u003c\/strong\u003e explaining your lactate curve, your threshold positions, your substrate utilization pattern, and what they mean for how you should train\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eA \u003cstrong\u003econsultation\u003c\/strong\u003e with your specialist to walk through your results, answer questions, and outline the training priorities your data points to\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 class=\"text-text-100 mt-3 -mb-1 text-[1.125rem] font-bold\"\u003eWho This Is For\u003c\/h3\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003eLactate threshold testing delivers the most direct application for endurance athletes — runners, cyclists, triathletes, rowers, swimmers — who live and die by training intensity prescription. It's equally valuable for CrossFit and hybrid athletes dialing in aerobic capacity and recovery, masters athletes tracking metabolic adaptation over time, and the rapidly growing audience of longevity-focused trainees who want their Zone 2 work anchored to actual physiology rather than estimation.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003eIf you train seriously, you deserve to train accurately. Your physiology is not a formula.\u003c\/p\u003e\n\u003chr class=\"border-border-200 border-t-0.5 my-3 mx-1.5\"\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003e\u003cem\u003eThis panel is intended solely for informational and wellness purposes to help inform lifestyle choices. It is not intended for diagnostic purposes and is not a substitute for medical advice. Please consult a licensed healthcare practitioner for any questions regarding diagnosis, prevention, or treatment of any disease or health condition.\u003c\/em\u003e\u003c\/p\u003e","brand":"DeNovo Longevity","offers":[{"title":"Default Title","offer_id":49263804514546,"sku":null,"price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0814\/5793\/8674\/files\/LactateThresholdAssessment.jpg?v=1779750874"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0814\/5793\/8674\/collections\/DeNovo_Cover.jpg?v=1779715782","url":"https:\/\/order.denovolongevity.org\/collections\/performance-testing.oembed","provider":"DeNovo Longevity","version":"1.0","type":"link"}