The Biohacking Knowledge Hub
Learn Everything Top Performers
Know About Their Bodies
Deep guides on every biohacking method: sauna, cold exposure, sleep, NAD+, glucose monitoring, and hundreds more. Evidence-rated science, real experiences, community consensus. Trusted equipment links when you're ready to act.
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Science, protocols, experiences, and risks. The complete picture before you spend a dollar.
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Every claim tagged: strong, moderate, emerging, or anecdotal evidence
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100
In-Depth Guides
11
Topics Covered
69
Equipment References
55+
Quick Protocols
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Essential Guides
Heat TherapyInfrared Sauna: The Complete Guide
Regular sauna use is one of the strongest lifestyle interventions linked to reduced cardiovascular mortality in decades of Finnish research. This guide covers how infrared saunas work, Huberman and Rhonda Patrick's protocols, what you'll actually feel, the risks nobody mentions, and what 10,000+ Reddit users report.
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Cold TherapyCold Exposure: The Complete Guide
Deliberate cold exposure is one of the most accessible biohacks with measurable effects on norepinephrine, dopamine, metabolism, and mental resilience. This guide breaks down the Huberman protocol (11 min/week), the Wim Hof method, what happens to your body, and how to build a sustainable practice.
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Light TherapyRed Light Therapy: The Complete Guide
Red and near-infrared light therapy (photobiomodulation) uses specific wavelengths to enhance mitochondrial function, accelerate recovery, and support skin health. This guide explains the science, optimal wavelengths, daily protocols, and how to evaluate the crowded device market.
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Sleep OptimizationSleep Optimization: The Complete Guide
Sleep is the foundation every biohacker builds on, Huberman calls it the #1 performance enhancer. This guide covers the science of sleep stages, temperature regulation, light protocols, tracking with wearables, and the complete toolkit for deep restorative sleep.
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SupplementsBryan Johnson's Blueprint: The Complete Guide
Bryan Johnson spends ~$2M/year on his 'Don't Die' anti-aging protocol, the most measured human body in history. Blueprint includes 100+ daily supplements, precise sleep/calorie timing, plasma exchange, and relentless biomarker tracking. This guide breaks down what's evidence-based, what's experimental, and what mere mortals can actually adopt.
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Cognitive EnhancementBreathwork: The Complete Guide
Breathwork is the most accessible biohack, free, immediate, and backed by real physiology. From Wim Hof's hyperventilation cycles to Navy SEAL box breathing, controlled breathing shifts autonomic state in minutes. This guide covers protocols, mechanisms, and building a daily practice.
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SupplementsIntermittent Fasting: The Complete Guide
Intermittent fasting (IF) is one of the most practiced biohacks worldwide, popularized by Dave Asprey's Bulletproof approach and validated by decades of metabolic research. This guide covers 16:8 vs OMAD, ketosis timing, autophagy windows, and who should avoid fasting.
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Cognitive EnhancementBulletproof Coffee: The Complete Guide
Bulletproof Coffee, coffee blended with grass-fed butter and MCT oil, is Dave Asprey's signature biohack and the drink that launched the modern biohacking movement. This guide covers the science of fat-fueled mornings, C8 MCT vs C10, mold-free coffee, and how to build the ritual.
Read guideDiagnostics & TestingBlood Panel Testing: The Complete Guide
Annual bloodwork is the foundation of data-driven biohacking. Peter Attia's framework prioritizes ApoB, insulin, HbA1c, and inflammatory markers over standard lipid panels. This guide covers what to test, how often, where to order, and how to interpret results.
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SupplementsUrolithin A: The Complete Guide
Urolithin A is a gut microbiome metabolite that triggers mitophagy, the selective recycling of damaged mitochondria. Amazentis/Timeline's Mitopure is the first clinically validated urolithin A supplement. This guide covers the science, dosing, and who actually converts ellagic acid from food.
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Sleep OptimizationCircadian Rhythm Optimization: The Complete Guide
Your circadian rhythm governs sleep, hormones, metabolism, and mood. Huberman and Walker's most foundational advice isn't a supplement or gadget, it's light exposure timing. This guide covers the complete circadian protocol: morning sunlight, evening protection, meal timing, and temperature.
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Sleep OptimizationMouth Tape & Nasal Breathing: The Complete Guide
Mouth taping encourages nasal breathing during sleep, which may reduce snoring, dry mouth, and fragmented sleep architecture. Popularized by James Nestor's 'Breath' and the Buteyko community, it's one of the cheapest sleep biohacks. This guide covers safe taping methods and contraindications.
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Wearables & TrackersOura Ring vs WHOOP (2026): Ring vs Band, Cost & Which to Buy
Oura and WHOOP are the two wearables biohackers debate most. Oura excels at passive sleep staging and HRV detail in an unobtrusive ring. WHOOP excels at training load management with its strain/recovery loop. This guide compares accuracy, pricing, use cases, and who should buy which. Considering Garmin too? See Garmin Fenix vs Oura vs WHOOP.
Read guideSleep OptimizationEight Sleep vs BedJet vs Sleepme Dock Pro (Chilipad): Which Sleep Cooling System Wins?
Sleep temperature regulation is one of the highest-leverage biohacks with genuine evidence behind it, and three systems dominate the category: Eight Sleep Pod, BedJet 3, and Sleepme's Dock Pro (the modern successor to Chilipad, now owned and re-engineered by the same Sleepme team). Eight Sleep uses hydronic water cooling built into a mattress cover with deep sleep-stage automation. BedJet uses forced air instead of water, with no wet components at all. Sleepme's Dock Pro is the direct descendant of the original Chilipad, focused purely on precise temperature control without the smart-home layer. This guide compares the technology, noise, subscriptions, price, and who should buy which. Want the science and budget tiers first? Read Sleep Cooling.
Read guideLight TherapyBest Red Light Therapy Panel for Home Use: A Biohacker's Buying Guide
Red light therapy (photobiomodulation) panels range from $150 travel-size units to $2,000+ full-body clinical panels, and price alone tells you almost nothing about effectiveness. What actually matters is irradiance at a realistic treatment distance, wavelength accuracy at 630–670nm (red) and 810–850nm (near-infrared), and whether the company publishes third-party testing. This guide compares Joovv's Elite panel, Hooga's budget-friendly HG panel, Mito Red's Mitopro line, and CurrentBody's LED mask for facial use, then breaks down how to choose based on your goals and budget. New to the science? Start with our Red Light Therapy complete guide.
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Tools & EquipmentBest Air Purifier for Biohackers: HEPA, VOC, and CADR Compared
Indoor air quality is an underrated biohacking lever, chronic exposure to fine particulates (PM2.5), VOCs, and allergens is linked to worse sleep, higher inflammatory markers, and reduced cognitive performance. But the air purifier market is full of inflated CADR claims and marketing around 'medical grade' filtration that doesn't always translate to real-world benefit. This guide compares IQAir's HealthPro Plus, AirDoctor's 5500, Blueair's Classic line, and Coway's Airmega, and explains which specs actually matter for a bedroom-focused biohacking setup. Broader home toxins context: Environmental Health. Water side: Water Filtration.
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Wearables & TrackersGarmin Fenix vs Oura vs WHOOP: Training Watch, Sleep Ring, or Strain Band?
Garmin Fenix, Oura Ring, and WHOOP represent three fundamentally different philosophies of wearable tracking. Fenix is a GPS multisport training computer built for structured athletes who need mapping, workout metrics, and multi-week battery life. Oura is a passive sleep and recovery ring built for people who want health insight without any active engagement. WHOOP is a screenless strain-and-recovery band built around a daily push-or-rest decision loop. This guide compares all three across sleep tracking, training features, battery life, pricing, and helps you decide whether you need one, two, or all three. Narrowed to ring vs band only? See Oura vs WHOOP.
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SupplementsAG1 & Greens Powders: Worth It or Overpriced?
AG1 (Athletic Greens) is the most marketed greens powder in biohacking — 75 ingredients in one scoop. Tim Ferriss and Huberman popularized it as nutritional insurance. This guide breaks down what's actually in greens powders, whether the $80/month price is justified, and how AG1 compares to DIY stacks and whole food.
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Sleep OptimizationSleep Cooling: Mattresses, Pads & Temperature Protocols
Sleep onset requires a 1–3°F core body temperature drop. Hot sleepers, couples with different preferences, and anyone chasing deep sleep often invest in active cooling — from $60 fan setups to $3,000 smart mattresses. This guide covers the science, equipment tiers, and Matthew Walker's temperature targets. For a head-to-head buy decision, see Eight Sleep vs BedJet vs Chilipad.
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Tools & EquipmentHigh-Ticket Biohacking Equipment on Amazon
Most premium biohacking gear sells direct-to-consumer only — Oura, Eight Sleep, Joovv, and Plunge require brand websites and long shipping times. But a meaningful tier of $400–$1,000+ equipment is available on Amazon with Prime shipping, buyer protection, and easy returns. This guide maps the highest-ROI high-ticket Amazon purchases by category, what to verify before buying, and where DTC-only brands still win.
Read guideCold TherapyPlunge vs Ice Barrel: Which Cold Plunge Should You Buy?
Home cold plunges split into two camps: chiller-equipped tubs like the Plunge All-In ($5,000) that hold 39°F without ice, and manual barrels like the Ice Barrel 300 ($1,200) where you add ice each session. Both deliver Huberman's 11 min/week protocol — the difference is convenience, running costs, and whether you'll actually use it daily. For the full science and free-to-premium path, start with our Cold Exposure guide.
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Tools & EquipmentBest Water Filter for Biohackers: Berkey vs AquaTru vs Waterdrop Compared
Tap water carries PFAS, fluoride, lead, and microplastics — biohackers filter drinking water for the same reason they filter air. This guide compares Berkey gravity filters, AquaTru countertop reverse osmosis, and Waterdrop under-sink tankless RO by contaminant removal, installation, and cost. For the science on filter types and regional water quality, see our Water Filtration guide.
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Wearables & TrackersStrength Training for Longevity: The Complete Guide
Cardio gets the longevity headlines, but muscle mass, strength, and power are among the strongest predictors of healthy aging. This guide covers why resistance training belongs next to Zone 2, how much is enough, and a beginner-to-intermediate protocol that still works at 70.
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Diagnostics & TestingVO2 Max: The Complete Guide
VO₂ max — the maximum rate at which you can use oxygen — is one of the best-studied predictors of all-cause mortality. Peter Attia calls it a vital sign. This guide covers lab testing vs wearable estimates, what 'good' looks like by age, and a training mix of Zone 2 plus intervals.
Read guidePeptidesGLP-1 Agonists: The Complete Guide
GLP-1 receptor agonists (semaglutide, liraglutide) and dual agonists (tirzepatide) moved from diabetes clinics into mainstream weight and metabolic culture. For biohackers, the live questions are muscle loss, rebound weight, nutrient quality, and whether a peptide drug belongs next to Zone 2 and protein. This is a map of the evidence — not a shortcut to a vial.
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SupplementsProtein for Longevity: The Complete Guide
Protein is the most under-discussed longevity lever after sleep and training. Too little accelerates sarcopenia; the right amount supports muscle, bone, and metabolic health into older decades. This guide covers g/kg targets, meal distribution, and how protein needs change on GLP-1s and during fat loss.
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Tools & EquipmentMicroplastics: The Complete Guide
Microplastics and nanoplastics show up in water, food, air, and now human blood and placenta samples. The health impact is still being quantified, but exposure reduction is actionable today. This guide covers sources, what filters actually help, and a sane home protocol without plastic panic.
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Diagnostics & TestingGundry, Lectins & the Microbiome: The Complete Guide
Cardiac surgeon Steven Gundry built a massive following by linking lectins, leaky gut, and the microbiome to obesity and autoimmune disease. This guide explains his framework fairly, separates strong ideas from contested claims, includes practical recipes, and links his core books on Amazon.
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SupplementsDavid Sinclair & Longevity Science: The Complete Guide
Harvard geneticist David Sinclair changed public conversation with Lifespan (2019): aging as treatable, NAD+ and sirtuins as levers, fasting and cold as free drugs. This guide explains his research fairly, maps his personal stack, includes longevity-friendly recipes, and links Lifespan editions on Amazon.
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SupplementsWilliam Li & Eat to Beat: The Complete Guide
Physician-scientist William W. Li, MD, made angiogenesis — how the body grows and prunes blood vessels — a household idea with his TED talk and Eat to Beat Disease. This guide explains his five defense systems fairly, maps the 5×5×5 add-foods framework, includes practical recipes, and links his books on Amazon.
Read guideGear Decisions
Buying Guides & Comparisons
Head-to-head comparisons and best-of roundups for the gear people actually search before they buy.
Wearables & TrackersOura Ring vs WHOOP (2026): Ring vs Band, Cost & Which to Buy
Oura and WHOOP are the two wearables biohackers debate most. Oura excels at passive sleep staging and HRV detail in an unobtrusive ring. WHOOP excels at training load management with its strain/recovery loop. This guide compares accuracy, pricing, use cases, and who should buy which. Considering Garmin too? See Garmin Fenix vs Oura vs WHOOP.
Read guideWearables & TrackersGarmin Fenix vs Oura vs WHOOP: Training Watch, Sleep Ring, or Strain Band?
Garmin Fenix, Oura Ring, and WHOOP represent three fundamentally different philosophies of wearable tracking. Fenix is a GPS multisport training computer built for structured athletes who need mapping, workout metrics, and multi-week battery life. Oura is a passive sleep and recovery ring built for people who want health insight without any active engagement. WHOOP is a screenless strain-and-recovery band built around a daily push-or-rest decision loop. This guide compares all three across sleep tracking, training features, battery life, pricing, and helps you decide whether you need one, two, or all three. Narrowed to ring vs band only? See Oura vs WHOOP.
Read guideSleep OptimizationEight Sleep vs BedJet vs Sleepme Dock Pro (Chilipad): Which Sleep Cooling System Wins?
Sleep temperature regulation is one of the highest-leverage biohacks with genuine evidence behind it, and three systems dominate the category: Eight Sleep Pod, BedJet 3, and Sleepme's Dock Pro (the modern successor to Chilipad, now owned and re-engineered by the same Sleepme team). Eight Sleep uses hydronic water cooling built into a mattress cover with deep sleep-stage automation. BedJet uses forced air instead of water, with no wet components at all. Sleepme's Dock Pro is the direct descendant of the original Chilipad, focused purely on precise temperature control without the smart-home layer. This guide compares the technology, noise, subscriptions, price, and who should buy which. Want the science and budget tiers first? Read Sleep Cooling.
Read guideLight TherapyBest Red Light Therapy Panel for Home Use: A Biohacker's Buying Guide
Red light therapy (photobiomodulation) panels range from $150 travel-size units to $2,000+ full-body clinical panels, and price alone tells you almost nothing about effectiveness. What actually matters is irradiance at a realistic treatment distance, wavelength accuracy at 630–670nm (red) and 810–850nm (near-infrared), and whether the company publishes third-party testing. This guide compares Joovv's Elite panel, Hooga's budget-friendly HG panel, Mito Red's Mitopro line, and CurrentBody's LED mask for facial use, then breaks down how to choose based on your goals and budget. New to the science? Start with our Red Light Therapy complete guide.
Read guideTools & EquipmentBest Air Purifier for Biohackers: HEPA, VOC, and CADR Compared
Indoor air quality is an underrated biohacking lever, chronic exposure to fine particulates (PM2.5), VOCs, and allergens is linked to worse sleep, higher inflammatory markers, and reduced cognitive performance. But the air purifier market is full of inflated CADR claims and marketing around 'medical grade' filtration that doesn't always translate to real-world benefit. This guide compares IQAir's HealthPro Plus, AirDoctor's 5500, Blueair's Classic line, and Coway's Airmega, and explains which specs actually matter for a bedroom-focused biohacking setup. Broader home toxins context: Environmental Health. Water side: Water Filtration.
Read guideTools & EquipmentBest Water Filter for Biohackers: Berkey vs AquaTru vs Waterdrop Compared
Tap water carries PFAS, fluoride, lead, and microplastics — biohackers filter drinking water for the same reason they filter air. This guide compares Berkey gravity filters, AquaTru countertop reverse osmosis, and Waterdrop under-sink tankless RO by contaminant removal, installation, and cost. For the science on filter types and regional water quality, see our Water Filtration guide.
Read guideCold TherapyPlunge vs Ice Barrel: Which Cold Plunge Should You Buy?
Home cold plunges split into two camps: chiller-equipped tubs like the Plunge All-In ($5,000) that hold 39°F without ice, and manual barrels like the Ice Barrel 300 ($1,200) where you add ice each session. Both deliver Huberman's 11 min/week protocol — the difference is convenience, running costs, and whether you'll actually use it daily. For the full science and free-to-premium path, start with our Cold Exposure guide.
Read guideLearning Paths
Curated Reading Paths
Follow these guide sequences to build a complete understanding of each biohacking domain, from science to protocol to equipment.
The Gear Decisions Stack
Wearables, sleep cooling, red light, air & water — compare before you buy
The Recovery Stack
Sauna, cold plunge, red light, sleep tracking
The Sleep Stack
Magnesium + temperature control + HRV tracking + NSDR
The Metabolic Stack
CGM + Zone 2 + lifting + GLP-1 context + gut health
The Foundation Stack
Creatine, omega-3, vitamin D, NAD+, taurine. Tier-1 and tier-2 supplements.
The Blueprint Stack
Bryan Johnson's essentials: sleep, stack, tracking, environment
The Starter Stack
Free cold showers + breathwork + sleep basics
The Bulletproof Stack
Dave Asprey's morning ritual: fasting, fat-fueled coffee, vagus toning
The Mind Stack
Neurofeedback, nootropics, breathwork, and nervous system control
The 2026 Longevity Stack
VO2 max, lifting, mTOR, incretins — what the field is arguing about now
Featured
Top Biohacking Tools
Topics
Explore by Topic
From wearables to peptides, cold plunges to stem cells. Deep guides organized by domain.
Wearables & Trackers
Sleep rings, continuous glucose monitors, HRV devices, and biometric wearables used by top biohackers.
Light Therapy
Red light, near-infrared panels, and photobiomodulation devices for recovery, skin, and mitochondrial health.
Heat Therapy
Infrared saunas, traditional saunas, and heat exposure protocols for cardiovascular and longevity benefits.
Cold Therapy
Cold plunges, cryotherapy chambers, and cold exposure tools for recovery and resilience.
Supplements
Nootropics, longevity compounds, vitamins, and stacks, with evidence ratings and risk profiles.
Peptides
BPC-157, TB-500, epitalon, and other peptides, mechanisms, sourcing, and legal considerations.
Sleep Optimization
Sleep masks, mouth tape, cooling systems, and protocols for deep restorative sleep.
Cognitive Enhancement
Brain training, neurofeedback, tDCS, and cognitive performance tools.
Diagnostics & Testing
Blood panels, microbiome tests, genetic analysis, and at-home health diagnostics.
Procedures & Treatments
Stem cells, NAD+ IV, hyperbaric oxygen, and clinical anti-aging procedures.
Tools & Equipment
Water filters, air purifiers, grounding mats, and environmental optimization gear.
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