Longevity Intel Editors
Editorial Team
Collaborative articles researched and maintained by the Longevity Intel editorial team. Medical review is shown only when a named reviewer and review date are recorded for the article.
Editorial attribution; no medical credential claimed.
Published work
ApoB and Lp(a) Tests: What Guidelines Say and What They Cost
ApoB and Lp(a) blood tests: what each measures, what US and European guidelines say about testing, and direct-to-consumer lab prices checked 2 Oct 2026.
Function Health vs Superpower: What Each Membership Includes
Function Health vs Superpower from their own pages: biomarker counts, price and billing, state availability, results delivery and clinician-review claims.
Eight Sleep Pod 5 Review: Price, Autopilot and Evidence
Eight Sleep Pod 5 and Pod 6 prices, the required Autopilot plan, three-year cost, and which sleep claims are vendor-run versus independent.
Glycine for Sleep: What the Trials Show and What It Costs
Glycine before bed: the small trials behind the claim, their sample sizes and funding ties, the dose they used, and a cost check against Thorne's price.
Longevity Supplements With Null Trials: Evidence Ledger
Longevity supplements where the best human trials found no benefit: the claim, the strongest trial or review, the result and a grade for each.
Smart Rings Compared: Oura Ring 4 and 5 Cost, Accuracy
Oura Ring 4 and Ring 5 prices and membership cost, how other smart rings compare on subscriptions, and what sleep and HRV validation studies found.
Omega-3 Index Test: What It Is and What It Costs
The Omega-3 Index blood test: what it measures, its three prices, what the evidence says about high levels, and how the cost compares with fish oil.
Joovv vs Mito Red vs PlatinumLED: Measured Output
Joovv Solo 3.0, Mito Red MitoPRO 1500 and PlatinumLED BioMax compared using published spectrometer measurements, kept separate from what each brand claims.
Does Red Light Therapy Work? Evidence by Outcome
Red light therapy graded by outcome from systematic reviews: hair loss and skin have support, muscle strength does not. Most trials used clinical devices.
Third-Party Tested Supplements: NSF, USP, IFOS Compared
What NSF Certified for Sport, USP Verified, Informed Sport and IFOS check, what they cannot prove, and which of 44 brand products state each.
Stelo vs Lingo: CGMs for People Without Diabetes
Dexcom Stelo vs Abbott Lingo from the brands' pages and FDA: price, wear time, who each is for, and what studies say about CGM use without diabetes.
Wearable Accuracy: What the Studies Show
How accurate Oura, WHOOP, Garmin and Apple Watch are for heart rate, HRV, sleep stages and VO2 max, from ECG and sleep-lab studies with sample sizes.
Bryan Johnson's Protocol vs the Evidence
Bryan Johnson's Blueprint routine, element by element, against the human evidence: what is well supported, what is unproven, and what is self-reported.
Protein Timing for Longevity
Older adults need roughly double the protein-per-meal threshold that young adults do to actually build muscle
Curcumin: Arthritis Trials, Not Longevity
Curcumin: a meta-analysis of 29 RCTs found improved pain and inflammation in arthritis, with low-quality trials; no evidence it extends life.
Urolithin A (Mitopure): Trials, Funding and Cost per Dose
Urolithin A human trials: missed primary endpoints, company funding, and what three brands cost per month at the dose used in the trials.
Bryan Johnson's 'Don't Die' Movement, Explained
Bryan Johnson has expanded Blueprint into something bigger, a philosophy, a Netflix documentary, and a self-described 'religion' called Don't Die
Lithium Orotate and NDGA: What Is Actually Known
Lithium orotate: a 2025 Nature study links brain lithium loss to Alzheimer's in mice and human tissue; no human supplement trial. NDGA not covered.
Best Home Gym for Longevity
You don't need a full commercial gym to build a longevity training setup. These are the pieces of equipment that deliver the highest health impact
Best Longevity Apps
The longevity app market is full of noise. These are the apps with genuine utility, for tracking, optimising
Best Blood Testing Labs for Longevity
Standard GP blood tests miss the biomarkers that actually matter for longevity. These are the labs that let you order advanced panels, ApoB, Lp(a)
Longevity Travel
Travel is one of the biggest disruptors of sleep, circadian rhythm, nutrition, and exercise habits
Best Nootropics for Cognitive Longevity: What Actually Works
Most nootropics are hype. A small number have genuine clinical evidence for protecting and enhancing brain health as you age
Complete Longevity Supplement Stack: What to Take, When, Why
Evidence-ranked longevity supplement stack by tier: vitamin D, magnesium, omega-3, creatine, NMN, and more, with doses, timing, monthly cost
How to Find a Longevity Doctor
Standard medicine is optimised for treating disease. Longevity medicine is optimised for preventing it decades in advance
Longevity for Women
Most longevity research has been conducted in men. The female biology of ageing is genuinely different
DEXA Scan for Body Composition
DEXA scanning measures muscle mass, bone density, and visceral fat with clinical precision
Biological Age Tests Compared: Price and What Each Measures
TruDiagnostic TruAge, Elysium Index, TallyAge and GlycanAge compared on price, sample, what they measure and what the research says about reliability.
Microbiome Testing
Your gut microbiome influences immunity, metabolism, inflammation, and even cognition. Microbiome testing has arrived at consumer level
Blue Zones
Dan Buettner identified five regions where people routinely live past 100 in good health. The patterns they share aren't about supplements or biohacking
Caloric Restriction for Longevity
Caloric restriction is the most reproducible lifespan extension intervention across species. Here's what four decades of research actually shows
Cold Shower Protocol
Cold plunges get the headlines but cold showers are where most people should start
The Fasting Mimicking Diet
Valter Longo's fasting mimicking diet triggers cellular rejuvenation, reduces biological age markers, and extends healthspan in clinical trials
Grounding and Earthing: What the Science Actually Says
Earthing, direct skin contact with the Earth's surface, has genuine peer-reviewed research behind it. Inflammation reduction, sleep improvement
Hormone Optimization for Longevity
Hormonal decline is one of the most impactful and underaddressed drivers of biological ageing. Here's the evidence on which hormones matter
Light Therapy and Circadian Optimization
Light is the most powerful zeitgeber, the primary signal that sets your circadian clock. Getting light right is free, takes minutes
Longevity Cooking
The way you cook food matters almost as much as what you cook. AGEs, cooking oils, nutrient preservation, meal timing
The Longevity Nutrition Framework
Forget diet wars. The longevity nutrition evidence points clearly in a few directions, high protein, Mediterranean pattern, time-restricted eating
Sleep Hygiene Protocol
Complete sleep hygiene protocol for longevity: 20 ranked changes for deep sleep, circadian rhythm, and recovery. Start with wake time, morning light
Strength Training Periodisation for Longevity
Most training programmes are built for short-term progress. Longevity strength training is different
Stress and Longevity
Chronic psychological stress accelerates biological ageing by 2–3 years per decade. Here's the mechanism, the measurement
Zone 2 Training
Zone 2 is the longevity cardio protocol used by Inigo San Millan and every serious longevity physician. Here's the exact science, how to find your zone
Float Tanks: What the Research Shows
Float tank (flotation-REST) research: a 2025 systematic review of 63 studies found positive effects on pain, stress and anxiety but little effect on sleep.
Massage and Bodywork for Longevity: What the Evidence Shows
What meta-analyses show for massage, foam rolling and massage guns: pain, blood pressure, sleep, anxiety and soreness, with limits and a chooser.
Alpha-Lipoic Acid: Neuropathy Evidence, Limits
Alpha-lipoic acid: a meta-analysis of 10 RCTs found it reduced symptoms in diabetic neuropathy, but no trial supports a longevity claim.
Berberine vs Metformin: What Trials Compare
Berberine vs metformin: one 36-person pilot found similar glucose lowering; metformin is a prescription drug and neither is proven to extend life.
Resveratrol and Pterostilbene: Trial Evidence
Resveratrol from human data: no link to mortality in older adults, better glucose control only in people with diabetes, and no trial for longevity.
Taurine for Longevity: Animal Data vs Human Trials
Taurine's 2023 Science paper was mostly animal work; a 2026 meta-analysis of 34 human RCTs found lower glucose and triglycerides. Evidence and cost.
Collagen Supplements: Skin Evidence and Limits
Collagen supplements: a review of 10 publications found skin benefits; evidence for joints, bones or longevity is not shown here.
Gut Health and Longevity: Probiotic Evidence
Gut microbiome interventions: a 2026 meta-analysis of 14 studies found better cognition scores in older adults, with heterogeneity; no lifespan evidence.
Lion's Mane Mushroom: Human Trial Evidence
Lion's mane (Hericium erinaceus): a 2025 review found only 5 RCTs, small and short, with limited safety data. What is and is not shown.
Metformin for Longevity: What Is and Is Not Proven
Metformin and longevity: observational survival data in diabetes, no completed trial of aging outcomes, and why it is a prescription drug for a doctor.
NAD+ Boosters: What Human Trials Show
NAD+ precursors (NMN, NR) and IV NAD+ vs the human evidence: blood levels rise, functional results are mixed, IV NAD+ has no anti-aging outcome trials.
Peptides for Longevity: What Human Evidence Exists
Peptides such as BPC-157: a 2025 review found 35 preclinical studies and one clinical study; FDA has not approved BPC-157. Information only.
Quercetin and Fisetin: Senolytic Claims vs Trials
Quercetin and fisetin as senolytics: human trials tested dasatinib plus quercetin in patients, not supplements for healthy aging.
Rapamycin for Longevity: Human Evidence, Mouse Data & Risks
A source-led review of sirolimus and rapalogs: replicated mouse lifespan findings, limited human ageing studies, approved uses, safety warnings
Garmin vs WHOOP
Garmin's Fenix line vs WHOOP 5.0 compared on price model, battery, sensors and the published HRV and sleep validation, with who each suits.
Best Longevity Podcasts
Skip the hype. These podcasts are where the best longevity researchers and physicians break down the real science, with citations, nuance
Breathwork Protocols for Longevity
Breathing is the only autonomic function you can consciously control, and that makes it a direct lever on your nervous system, HRV, and stress response
Evidence-Based Sauna Protocol: How Often, How Hot, How Long
Finnish sauna use reduces all-cause mortality by 40%. But protocol matters, temperature, duration, frequency, and timing all affect outcomes
CoQ10 and Ubiquinol: What Trials Show, and Cost
CoQ10 evidence: Q-SYMBIO in heart failure patients, mixed statin-muscle-pain meta-analyses, ubiquinol vs ubiquinone, and monthly cost at the trial dose.
Spermidine: Observational Link, Null Trial
Spermidine's lower-mortality link is from a food-questionnaire cohort; the best supplement RCT (SmartAge, 100 adults, 12 months) found no memory benefit.
Apple Watch for Longevity
Which Apple Watch health features have regulatory clearance or a published accuracy study, and which are wellness extras, by model and price.
Best Longevity Books: The Reading List Every Biohacker Needs
The definitive longevity reading list, ranked by scientific rigour, practical value, and impact
Best Longevity Clinics
A new category of clinic goes far beyond the annual physical, comprehensive biomarker testing, imaging, genetic analysis
Best Longevity Supplements, Graded by Evidence
Longevity supplements graded by human trials, with each trial linked, the monthly cost at the dose that trial used, and which ones missed their targets.
Best Recovery Devices for Longevity
Sauna, cold plunge, red light, massage gun and compression compared by the evidence for each and by prices read from the makers, with who should skip.
Best Sleep Optimization Tools
Sleep is the highest-impact longevity intervention. We rank the best tools across every sleep category, from mattress tech to sleep trackers
Best Wearables for Longevity Tracking: Cost and Evidence
Six health wearables compared on cost over two years, what each measures and what independent studies found, from ECG-checked HRV to over-the-counter CGMs.
Best At-Home Blood Tests for Longevity
A research-based comparison of at-home blood testing services by biomarker coverage, price, and physician support
CGM Guide for Non-Diabetics
A complete guide to interpreting continuous glucose monitor data for longevity and metabolic health, what metrics matter, what's normal
HRV Guide
A source-linked guide to RMSSD, wearable measurement limits, personal baselines, and when HRV should, and should not, change a decision.
The 12 Longevity Biomarkers You Should Be Tracking (And
Not all blood tests are equal. These 12 biomarkers predict healthspan better than standard annual panels, with reference ranges optimised for longevity
VO2 Max Testing
VO2 max is the strongest independent predictor of all-cause mortality. Learn what it is, how to test it, and exactly how to improve it.
Cold Exposure Protocol
Cold exposure activates brown fat, boosts norepinephrine 300%, and builds stress resilience. The evidence-based protocol for cold therapy
Intermittent Fasting for Longevity: The Evidence-Based Guide
A comprehensive review of intermittent fasting protocols for longevity, separating hype from evidence, optimising for your biology
The Evidence-Based Longevity Exercise Protocol
The most comprehensive review of exercise for longevity, combining Zone 2 cardio, VO2 max intervals, strength training
Strength Training for Longevity: The Evidence-Based Protocol
Muscle mass is one of the strongest predictors of healthspan. The complete science and protocol for strength training that extends life
Home Saunas: What the Studies Show, What to Check
Sauna and health: a 20-year Finnish cohort links frequent sauna use to lower cardiac death; it is observational and not about infrared home units.
Best Massage Guns: Theragun vs Hypervolt vs Budget Picks
Theragun, Hypervolt and Renpho massage guns compared from the makers' own pages, with current prices and what trials say about percussive massage.
Red Light Therapy Panels: How to Compare Them
How to compare red light panels: a spec checklist, published independent measurements for Joovv, Mito Red and PlatinumLED, and what the evidence supports.
Clearlight Sanctuary 2 Review: Ultra-Low EMF Infrared Sauna
Clearlight Sanctuary 2 specs from the maker's page: full-spectrum heaters, size, power draw, warranty, plus what trials show for infrared sauna use.
Cold Plunge and Ice Baths: What the Evidence Shows
Cold water immersion for recovery: a meta-analysis of 28 studies found less muscle soreness than other methods; longevity and other claims are unproven.
Compression Recovery: What Meta-Analyses Show
Compression garments and recovery: a meta-analysis found small benefits, largest for strength after resistance exercise. Boots are not covered.
Hyperbaric Oxygen Therapy: Cleared Uses vs Claims
The FDA's current HBOT page lists 13 cleared conditions and says it is unproven for cancer, Lyme, autism or Alzheimer's. No trial backs longevity claims.
Hyperice Hypervolt 2 Pro Review: A Quiet Premium Massage Gun
The Hypervolt 2 Pro and its successor the Hypervolt 3 Pro compared from Hyperice's pages and one 2022 review, with prices and evidence on massage guns.
Joovv Solo 3.0 Review: Specs, Measured Output, Price
Joovv Solo 3.0 from published sources: independent spectrometer measurements, what Joovv states, the current price, and what red light evidence shows.
MitoPRO 1500 Review: Which Model, Measured Output, Price
MitoPRO 1500 from published sources: the 1500, 1500+ and 1500X models, Mito's two irradiance figures, independent measurements, and the current price.
Morozko Forge Review: A Premium Cold Plunge
Morozko Forge price, size, 32 F ice-making, ozone filtration and warranty from Morozko's page, compared with Plunge, plus what cold-water studies show.
PEMF Therapy: What Is Actually Known
PEMF therapy: the systematic review we verified covered bone fractures (3 RCTs) and found no consensus in practice; no longevity evidence.
PlatinumLED BioMax: Models, Measured Output, Price
PlatinumLED BioMax from published sources: the 9th-generation lineup, an independent spectrometer measurement of the 900, and what the brand claims.
Sunlighten mPulse Believe Review: A Full-Spectrum Home Sauna
Sunlighten mPulse Believe and its cheaper lines from Sunlighten's pages: programs, prices where shown, and what infrared sauna trials show.
The Plunge Pro Review: A Home Cold Plunge
Plunge's home cold plunge lineup with regular and sale prices, size, weight and chilling specs from its own pages, plus what cold-water studies show.
Theragun Pro Gen 6 Review
Therabody's current Theragun PRO and PRO Plus from its own pages: price, amplitude, battery, heads, and what trials show for massage guns.
Ashwagandha: Stress and Sleep Evidence, Safety
Ashwagandha in two meta-analyses: lower anxiety and stress scores in 12 trials, a small sleep effect in 5, high heterogeneity and limited safety data.
Berberine: Blood Sugar Trials, Side Effects
Berberine evidence: a meta-analysis of 46 trials in type 2 diabetes, how it compared with metformin in a small pilot, side effects, and what is unproven.
Creatine for Longevity: Evidence, Forms, Cost
Creatine monohydrate from meta-analyses: muscle, memory and bone in older adults, kidney and hair concerns, and monthly cost at a trial dose.
Magnesium Supplements: Evidence by Form, and Cost
Magnesium from trials and meta-analyses: blood pressure, sleep in older adults, the L-threonate memory trial, and monthly cost at the dose a review used.
NMN: Legal Status, NMN vs NR, What Trials Show
Is NMN legal in the US supplement market, how does it compare with NR, what human trials found, and what a month costs at the dose those trials used.
Omega-3 Fish Oil: What Trials Show, Cost per EPA+DHA
Omega-3 fish oil from the big trials: VITAL, REDUCE-IT and STRENGTH results, the atrial fibrillation signal, and monthly cost at the dose VITAL used.
Vitamin D3 + K2: What the Evidence Supports, and Cost
Vitamin D3 and K2 (MK-7) from trials and guidelines: who benefits, what large trials found, safety limits, and monthly cost at the dose used in a trial.
Best CGMs for Non-Diabetics: Are They Worth It?
Compare the CGM options for people without diabetes, from the brands' own pages, with wear time, price, and what the evidence does and does not show.
Best Fitness Trackers for Longevity in: Choose by Goal
WHOOP 5.0, Oura Ring 4, Garmin fēnix 8, and Fitbit Charge 6 compared by documented features, cost structure, and generation-specific validation.
Dexcom Stelo Review: Price, Use, Accuracy Evidence
Dexcom Stelo from Stelo's site, FDA and studies: who it is for, price and plans, 15-day wear, independent accuracy findings, and what CGM evidence shows.
Garmin Fenix 7 Review: A GPS Watch With Longevity Metrics
Garmin Fenix 7 from Garmin's manual and press pages: battery by size, how HRV Status and Body Battery work, and what validation studies say.
WHOOP 5 Review: Features, Evidence & Limitations
A documentation-based WHOOP 5 and WHOOP MG review covering current plans, battery claims, ECG scope, recovery metrics
WHOOP vs Oura: Two-Year Cost and What Studies Show
WHOOP 5.0 and Oura Ring 5 compared on two-year cost, battery and independent HRV and sleep validation, with prices re-checked 29 Sept 2026.
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Affiliate relationships are disclosed. Medical review appears only when a named reviewer and review date are recorded for the article. Editorial policy