VO2 Max Protocol: 4x4 Intervals, Wearable Accuracy, and Zones
Optimize cardiorespiratory fitness with evidence-based VO2 max training. Master Norwegian 4x4 intervals, smartwatch sensor accuracy, and lab CPET testing.
Evidence-Based Longevity
Precision medicine and healthy aging explained
Independent guides, critical data, and clinical insights to help you navigate glucose dynamics, wearables, and preventative therapies.
Explore by Topic
Metabolic health
Deep scientific insights into glucose regulation, insulin resistance, and cellular energy. Evidence-based guides on GLP-1, CGM monitoring.
Wearables & Tracking
Evidence-based guides on biometric feedback, sleep tracking, heart rate variability (HRV), and continuous glucose monitoring (CGM).
Precision medicine
How to interpret private blood tests, choose genetic screenings, and understand clinical biomarkers for healthy aging and prevention.
Healthy aging
Evidence-based scientific guides on cellular aging, cellular senolytics, mitochondria, protein needs, and preventative longevity therapies.
Articles
Most important guides right now
Ferritin After 50: Iron Deficiency vs. Iron Overload, Oxidative Stress, and Blood Biomarkers
Understand ferritin after 50. Learn the difference between iron deficiency, iron overload, transferrin saturation, oxidative stress, and blood donation benefits.
Polar H10 vs Optical HR Monitors: Why Chest Straps Lead in 2026
Polar H10 review: Why an ECG chest strap beats Apple Watch and Garmin on Zone 2 accuracy and R-R intervals for HRV. Setup, apps, and Danish pricing.
Homocysteine and B-Vitamins: Protecting Vascular and Brain Health
Understand your homocysteine test: MTHFR variants, optimal levels under 9 µmol/L, dementia and vascular risks, and proven lowering with active B-vitamins.
GLP-1 and muscle mass: how do you protect muscle during treatment?
GLP-1 changes appetite but can also affect muscle mass. Understand what the evidence says about protein and strength training for weight loss without muscle loss.
Alternatives to GLP-1: what can you do without a prescription?
Dietary structure, protein, strength and sleep can shift metabolic health without medication. See what works as an alternative to GLP-1 and what is hype.
Series
Editorial series and structured reading journeys
Each series connects core concepts, product comparisons, and next-step actions.
See all series10 articles
GLP-1, CGM and Metabolic Reset
A learning path guiding the user from core metabolic concepts like insulin resistance to choice overrides for GLP-1, CGM, protein intake, and next-step actions.
9 articles
Precision Diagnostics & Health Screening
A diagnostic screening path mapping clinic benchmarks, body scans, blood tests, and actionable biomarkers into a structured journey.
Redaktion & Review
Who is behind Longevity Lab?
Scientific precision, independent medical review, and absolute editorial transparency.
Borys Viktorovytj Riabtsev publishes Longevity Lab as a research-backed information project on precision medicine, metabolic health, and healthy aging, utilizing rigorous sources, independent medical review, and objective YMYL communication.
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Vadim Doroshenko serves as the medical reviewer for Longevity Lab. With a background in medicine and health sciences, he ensures that the health information and interpretation of clinical trials are accurate, objective, and aligned with current medical consensus.
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