Longevity Blog
Explore high-intent guides for supplements, exercise, sleep, glucose control, and other healthspan priorities.
Heart rate variability is one of the most trackable longevity biomarkers available today. A practical guide to HRV ranges, what drives the number, and how to use it to protect your healthspan.
A deep-dive into the two landmark omega-3 cardiovascular trials, why they produced opposite results, and what the evidence means for EPA and DHA dosing in a longevity protocol.
VO2 max declines ~10% per decade after 25 — but 50–70% of that loss is preventable. Here are the evidence-backed training protocols that reverse the slide after 40.
GlyNAC (glycine + NAC) corrected multiple aging hallmarks in randomized human trials. A full evidence review — mechanisms, doses, risks, and where it fits your longevity stack.
The first human trial showing FMD activates autophagy. What Nature Communications and GeroScience 2025 data mean for your longevity protocol.
Spermidine is the most diet-accessible autophagy activator in longevity research. A deep-dive into the 2025 human RCT data, food sources vs supplements, evidence tiers, and what practitioners actually see.
Rapamycin is the most discussed prescription longevity drug — and also the most misunderstood. A deep-dive into mTOR biology, the PEARL trial, real-world off-label use, and the honest risk framework for longevity readers.
Both activate AMPK. Both lower blood glucose. But is berberine a real metformin alternative for non-diabetic longevity users? A deep-dive into the mechanisms, clinical trials, and practical decision framework.
The most useful biomarkers for measuring your healthspan, how to interpret them, and how often to test — a practical guide to building your longevity tracking panel.
NMN and NR supplements reliably raise NAD+ levels — but do they actually improve the things that matter for aging? A 2025 meta-analysis of 10 RCTs found no benefit for muscle mass, strength, or physical function in older adults. Here is a full evidence review across every claimed benefit.
A 2025 meta-analysis of 23 RCTs found that independent studies show zero benefit from collagen supplements for skin hydration, elasticity, or wrinkles — while industry-funded studies show benefit. Here is what the evidence actually says, what works instead, and how to think about the funding problem in supplement science.
A 272,000-person UK Biobank study using Mendelian randomization found that higher tyrosine levels are linked to nearly a year less of life expectancy in men — but not women. Here is what the evidence actually says about the popular brain supplement, the biological mechanisms, and what to do.
Oral semaglutide just received FDA approval. SELECT showed 20% MACE reduction independent of weight. FLOW showed kidney protection. And signals are emerging for neuroprotection. Here is the complete evidence update on what GLP-1 drugs are proving to do beyond weight loss — and what it means for longevity.
A landmark 2023 Science study made taurine the supplement of the year for longevity. Then three 2025 studies contradicted the core mechanism. Here is an honest evidence breakdown — what changed, what did not, and what you should do.
New research shows sleep regularity — when you sleep, not just how long — is a stronger predictor of all-cause mortality than sleep duration. Here is the science, how to measure your Sleep Regularity Index, and how to build consistent timing without wrecking your life.
Methylene blue is the oldest synthetic drug in medicine, now trending in longevity circles for its mitochondrial bypass mechanism. Here is what the research actually shows — and the critical safety warnings the biohacker community underplays.
Urolithin A is the mitophagy compound with more human RCT evidence than almost any longevity supplement — yet most people have never heard of it. Here is what the research actually shows, why your gut may not make it from food, and how to supplement effectively.
Not all wearables track what matters for longevity. This guide compares Oura Ring 4, WHOOP 5.0, and Apple Watch on sleep accuracy, HRV measurement, recovery scoring, and long-term health signal quality — so you can choose the right device for your health span.
Senescent 'zombie' cells accumulate as you age and silently accelerate biological aging. Senolytics like fisetin and quercetin are among the most promising longevity compounds of 2026 — here is what the research actually shows, how cyclic dosing works, and what you should do before starting.
Your chronological age tells you how many birthdays you've had. Your biological age tells you how fast you're actually aging. Here's how to test it, interpret it, and use the data to make smarter longevity decisions.
GLP-1 medications like Ozempic and Mounjaro can cause significant muscle loss — up to 39% of weight lost. Here is how to preserve lean mass and protect long-term health while using them.
A practical ranking framework for NAD boosters in 2026, including forms, dosing logic, red flags, and how to tell if a product deserves a place in a longevity stack.
A careful guide to methylene blue supplement shopping, with emphasis on purity, dosing caution, contraindications, and what separates a serious product from a risky one.
A buyer-focused omega-3 guide for 2026 covering EPA and DHA balance, oxidation risk, third-party testing, and how to rank fish oil without overpaying.
A practical spermidine buying guide covering raw material quality, dose realism, label clarity, and how to separate credible formulas from marketing-led products.
A detailed colostrum supplement guide covering sourcing, immunoglobulin quality, processing, and how to rank products for gut and recovery support.
A practical zone 2 cardio guide for longevity, including intensity control, weekly programming, progression, and how to avoid turning easy work into junk intensity.
A measured rapamycin guide covering why it attracts anti-aging interest, what remains uncertain, and how to think about risk, monitoring, and expectations.
A practical sauna protocol for longevity focused on heat exposure dosing, hydration, recovery, and how to use sauna without turning it into stress for stress's sake.
A practical glycine guide covering sleep support, recovery, dosage strategy, and where this inexpensive amino acid may fit in a longevity routine.
A systems-level guide to lowering biological age through sleep, training, nutrition, biomarkers, and decision rules that prioritize durable healthspan gains.
A practical autophagy fasting guide covering timing, tradeoffs, muscle retention, and how to use fasting as a tool instead of turning it into an identity.
A practical VO2 max training guide for longevity focused on interval structure, recovery, progression, and how to improve aerobic ceiling without sabotaging the rest of the week.
A practical comparison of cold showers and cold plunges for longevity-focused readers, including benefits, costs, recovery tradeoffs, and how to choose the better fit.
A comparison guide for metformin and berberine in a longevity context, with focus on glucose control, tolerability, monitoring, and when each option may or may not fit.
A 2026 longevity podcast ranking focused on evidence quality, practical value, and how to build a listening stack that sharpens judgment instead of creating more noise.
A high-intent guide to lowering ApoB with lifestyle-first strategies, careful supplement use, and clinician-supervised escalation when needed.
A practical evidence review of rapamycin for longevity, including mechanism, uncertainty, safety, and clinician-supervised decision points.
An evidence-first guide to NAD supplementation for longevity, including realistic benefits, limits, dosing considerations, and monitoring.
A balanced review of cold plunge benefits and limitations, with practical protocols, contraindications, and integration with training recovery.
A practical guide to EPA and DHA dosing for longevity, including product quality, lipid context, and measurable follow-up steps.
A clinician-aligned overview of metformin for longevity, covering potential upside, tradeoffs, contraindications, and alternatives.
A practical evidence review on testosterone and male longevity, with emphasis on diagnosis quality, risk control, and follow-up.
A practical CGM guide for longevity-focused adults, covering setup, interpretation, behavior experiments, and common mistakes.
A framework for selecting longevity podcasts and resources with high signal, credible sourcing, and practical implementation value.
An updated evidence review of resveratrol for longevity with realistic expectations, safety notes, and decision criteria.
A practical berberine protocol for blood sugar and longevity goals, including dosing strategy, side effects, and monitoring cadence.
A practical, evidence-aware guide to autophagy-focused fasting protocols, including schedules, protein timing, training integration, biomarker tracking, and safety checkpoints.
How to improve insulin sensitivity with realistic nutrition, movement, and recovery systems grounded in human evidence.
A practical, evidence-aware guide to NAD+ supplement options in 2026, including precursors, quality checks, and realistic expectations.
An in-depth comparison of metformin and berberine for longevity-focused readers, with practical criteria for effectiveness, tolerability, and when to escalate care.
A practical guide to creatine monohydrate for muscle, cognitive resilience, and healthy aging with conservative safety framing.
A complete longevity lab strategy covering high-yield blood tests, cadence planning, interpretation pitfalls, and how to connect results to concrete protocol decisions.
A medically cautious framework for correcting vitamin D insufficiency without over-supplementing.
A detailed senolytics primer for longevity readers covering mechanism hypotheses, protocol uncertainty, safety constraints, and decision criteria before experimentation.
How to use magnesium as part of a broader recovery system while avoiding exaggerated claims and dosing mistakes.
A deep guide to cold exposure for longevity, including brown fat activation concepts, progression rules, recovery interactions, and practical contraindications.
How to set protein intake for muscle retention, metabolic health, and healthy aging without rigid diet culture.
An implementation-focused VO2 max guide for longevity, covering interval structure, periodization, readiness gating, and how to combine intensity with Zone 2 work.
A detailed playbook for using short post-meal walks to improve glucose response and long-term metabolic health.
A comprehensive hormone optimization guide for adults over 40, with practical sequencing from sleep and body composition to lab interpretation and treatment decisions.
An evidence-oriented system for improving blood pressure trends with home monitoring, lifestyle interventions, and clear escalation rules.
A balanced review of rapamycin for longevity, covering mechanism, current evidence, uncertainty, and clinician-supervised risk management.
A deep dive on sleep architecture for longevity, showing how deep sleep and REM patterns influence cardiometabolic health, cognition, and training adaptation.
A practical HRV interpretation guide for training, stress load, and recovery decisions in real-world schedules.
A practical guide to the gut microbiome and aging, focused on dietary diversity, GI symptom management, and realistic expectations for stool testing.
How to support liver biomarkers through sustainable behavior change and medically cautious escalation pathways.
A balanced stem cell therapy overview for longevity readers, covering realistic indications, evidence gaps, clinic due diligence, and risk-aware decision-making.
A high-intent plan for women who want evidence-based longevity habits across training, nutrition, and symptom tracking.
A thorough guide to hyperbaric oxygen therapy for longevity, including mechanism theories, protocol variables, expected outcomes, and contraindication screening.
A conversion-focused beginner guide to sequencing supplements with safety checks, measurement, and budget discipline.
A protocol-first red light therapy guide for longevity readers, including wavelength logic, session timing, realistic outcomes, and integration with sleep and training.
A critical review of the Bryan Johnson Blueprint protocol with practical guidance on what most readers can adapt, what to skip, and how to prioritize by evidence and cost.
A complete Zone 2 playbook for building aerobic capacity, metabolic flexibility, and long-term cardiovascular resilience.
A practical interpretation of Peter Attia’s training framework for longevity, covering Zone 2, VO2 max intervals, strength, stability, and progression management.
A comprehensive longevity supplements stack guide for 2026 with evidence tiers, trial sequencing, dosing framework, and lab-based decision checkpoints.
An evidence-first skincare guide focused on ingredients, routines, and realistic anti-aging outcomes for skin health.
A practical breakdown of top longevity supplements, what the data says, and how to choose an evidence-first stack.
A practical comparison of metformin and berberine for longevity-focused metabolic goals, including evidence strength, side effects, and decision criteria.
A behavior-first strategy to improve biological age markers using training, nutrition, sleep, and measurable feedback loops.
How to use time-restricted eating for metabolic health without sacrificing muscle, performance, or consistency.
A practical breakdown of Peter Attia's core longevity pillars and how to apply the framework without overcomplicating execution.
A high-yield blood test shortlist for longevity planning, with repeat cadence guidance and interpretation principles.
A clear guide to Zone 2 cardio for mitochondrial health, endurance base, and long-term cardiovascular risk reduction.
A clear look at cold plunge evidence for longevity-focused goals, including realistic benefits, protocol design, and safety limits.
A low-friction strength plan for adults over 40 focused on muscle retention, bone density, and injury resilience.
The highest-impact sleep interventions for deep rest, recovery, and long-term healthspan.
A practical review of GLP-1 agonists through a longevity lens, including metabolic benefits, body composition concerns, and long-term strategy.
A clinician-friendly bloodwork checklist to monitor longevity-focused lifestyle and supplement interventions.
A practical guide to protein quality, meal distribution, and food choices that support muscle, recovery, and healthy aging.
A practical guide to sauna use for longevity, including heat shock proteins, protocol design, and risk-aware progression.
How women can navigate menopause with an actionable plan for muscle, metabolic health, and long-term vitality.
A 2026 update on resveratrol evidence, practical use cases, and how to decide whether it belongs in a longevity stack.
A practical sleep optimization system for longevity, recovery, and sustained cognitive and metabolic health.
A practical framework for microbiome-supportive habits that improve digestion, immunity, and metabolic health.
An objective review of the Blueprint protocol, separating useful ideas from high-friction elements for everyday longevity planning.
How to structure meals that reduce chronic inflammation and support healthy aging.
A state-of-the-art overview of stem cell therapy for anti-aging, including current evidence, real constraints, and safety concerns.
A curated list of high-signal longevity podcasts with practical criteria for choosing trustworthy episodes and hosts.
A science-focused review of telomere length claims, testing limitations, and what telomere data can realistically tell you.
A practical directory-style guide to evaluating longevity clinics in the US, with due diligence criteria before you spend money.
Actionable stress-reduction practices that improve recovery, blood pressure, and long-term healthspan.
Distilled behavior patterns from long-lived communities and how to apply them in modern schedules.
Evidence-informed use of heat and cold exposure to support cardiovascular health, resilience, and recovery.
Simple meal and movement strategies to improve glucose control and reduce long-term metabolic risk.
How to improve VO2 max safely and why cardiorespiratory fitness strongly predicts long-term outcomes.
A realistic weekly system that fits demanding schedules while improving healthspan fundamentals.
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