Protocols
Biohacking Protocols
Quick-reference protocols with links to full guides. Learn the science first, then follow the protocol.
Buying Guides
Head-to-head comparisons and best-of roundups — start here when you're ready to purchase.
Oura 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.
Garmin Fenix 8 vs Oura vs WHOOP: Which Tracker?
This page compares the Garmin Fenix 8 with Oura and WHOOP. It is not a Fenix 9 Pro review — if a listing says Fenix 9 Pro, the specs below do not apply to it. Fenix 8 is a GPS multisport watch. Oura is a passive sleep ring. WHOOP is a screenless strain band. The [Oura Ring 4 review](/equipment/oura-ring-gen4) covers price and the membership on its own. Narrowed to ring vs band only? See [Oura vs WHOOP](/guides/oura-vs-whoop).
BedJet vs Chilipad vs Eight Sleep: Which to Buy
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.
Best 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.
Best 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.
Best 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.
Plunge 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.
IQAir vs AirDoctor vs Blueair: Which Air Purifier to Buy
IQAir HealthPro Plus, AirDoctor 5500, and Blueair Classic 480i are the three air purifiers people compare once they have left $150 Amazon units behind. IQAir and AirDoctor both claim capture down to 0.003 microns. Blueair is quieter and cheaper, and stops at 0.1 microns. This page is the buying decision. For particle science and placement, start with Indoor Air Quality.
AquaTru vs Waterdrop: Which Reverse Osmosis System to Buy
AquaTru and Waterdrop G3P800 both use reverse osmosis to cut PFAS, fluoride, and lead. AquaTru sits on the counter and needs no plumber. Waterdrop installs under the sink, runs faster, and is the system you buy when you own the kitchen. This page is that decision. For the wider filter map, including Berkey, see Best Water Filter.
Theragun vs Hypervolt: Which Massage Gun to Buy
Theragun PRO Plus and Hypervolt 2 Pro are the two massage guns worth comparing once you have ruled out $100 clones. Both hit 16mm of amplitude. Theragun costs $549–$649 and is built around a triangle grip that reaches your own back. Hypervolt costs $399–$449 and adds a pressure sensor. For how to use either one, see Percussion Massage.
BedJet vs Sleepme: Which Sleep Cooling System to Buy
BedJet 3 and Sleepme Dock Pro are the two active sleep-cooling systems you can buy on Amazon. BedJet blows conditioned air under the covers for $399–$549. Sleepme circulates water through a pad on the mattress for $699–$999 and holds a surface temperature. Eight Sleep is the more expensive system, and it is not sold on Amazon. For the science of why temperature matters, start with Sleep Cooling.
Normatec vs Massage Gun: Which Recovery Tool to Buy
Normatec 3, a massage gun, and a Compex EMS unit get lumped together as 'recovery gear.' They are three different tools. Normatec squeezes fluid up the legs for $699–$899 while you sit still. A Hypervolt or Theragun hits tight muscle for $399–$649. Compex fires the muscle with electrodes for $549–$749. Buy one. For how to use a gun or boots on their own, see Percussion Massage and Compression Recovery.
Red Light Panel vs Face Mask: Which to Buy
On Amazon, the red-light choice that actually ships is a Hooga panel or a CurrentBody face mask. The panel is $120–$170 and treats skin plus a joint or a muscle at a distance. The mask is $449–$549, sits on the face, and runs a fixed 10-minute skin session. A mask will not treat your back. A small panel is an awkward way to do your face every day. Joovv's large panels are a separate, mostly direct-to-consumer purchase.
Huberman Sleep Stack: The Buying Guide
Andrew Huberman’s evening stack — magnesium, L-theanine, and apigenin, often with glycine — is the most copied supplement protocol on the internet. Evidence is strongest for magnesium and glycine, thinner for apigenin. This buying guide ranks what to purchase, in what order, and links Amazon-available SKUs we already review.
Best Creatine: The Buying Guide
Creatine monohydrate is the rare supplement with decades of human data for strength, and growing interest in cognition and healthy aging. You do not need hydrochloride, buffered, or a $60 tub. This buying guide picks a tested monohydrate and tells you what to ignore.
Best Magnesium: The Buying Guide
Magnesium is the first sleep-stack purchase that usually deserves to stay. Glycinate (bisglycinate) is the default for evenings; citrate if you also want a stool softener; threonate if you are paying extra for a cognition story. This buying guide maps forms to Amazon SKUs.
Best Omega-3: The Buying Guide
Omega-3 is a foundation supplement if you do not eat fatty fish twice a week. You want EPA+DHA in grams, not a 1,000mg ‘fish oil’ softgel that is mostly filler. This buying guide points at Nordic Naturals Ultimate Omega and tells you what to ignore.
Best Vitamin D: The Buying Guide
Vitamin D shopping is easy once you have a 25(OH)D number. D3 (cholecalciferol) beats D2. 5,000 IU is a repletion-style softgel, not a forever default. This buying guide picks NOW D3 for cheap D-only and Thorne D3/K2 when you want both in one capsule.
Best Protein Powder: The Buying Guide
Protein powder is a convenience layer on top of food, not a longevity molecule. Whey is the default if you tolerate dairy. Collagen is glycine and joints, not a complete muscle protein. This buying guide picks Optimum Nutrition whey and Vital Proteins collagen and tells you when to skip powder entirely.
Best Collagen: The Buying Guide
Collagen peptides are a glycine-rich, incomplete protein with modest skin and joint trial data. Shopping is easy: hydrolyzed peptides that dissolve, not a $70 beauty tin. This buying guide picks Vital Proteins and tells you to keep vitamin C and a complete protein in the same kitchen.
Best Probiotic: The Buying Guide
Most Amazon probiotic bottles are a CFU number and a mystery blend. Strain identity and published counts beat a 50-strain fireworks label. This buying guide picks Seed DS-01 as the biohacker default, tells you to eat fermented food anyway, and links the full probiotics guide for the science.
Best Ashwagandha: The Buying Guide
Ashwagandha shopping is extract theater. KSM-66 and Sensoril name the extract; Kion no longer lists a standalone ashwagandha SKU on getkion.com. NOW 450 mg is the Amazon bottle with a buy button. This buying guide picks NOW for checkout and tells you to stop at eight weeks if nothing changed.
Best Electrolytes: The Buying Guide
Electrolyte shopping is sodium theater plus flavors. Sweaty training, sauna, and low-carb diets are the usual reasons to add salt — not a $40 ‘cellular hydration’ identity. This buying guide picks LMNT as the Amazon packet and sends you to the electrolytes guide for the physiology.
Best NAC: The Buying Guide
NAC shopping is brand theater around one molecule. NOW 600 mg with selenium is the Amazon bulk bottle. Thorne 500 mg is the NSF-for-Sport upgrade. Oral glutathione stays a waste on this site. This buying guide picks NOW for checkout and tells you the black specks are oxidation.
Best CoQ10: The Buying Guide
CoQ10 shopping is form theater. NOW 100 mg ubiquinone in oil is the Amazon volume bottle. Life Extension Super Ubiquinol is the reduced-form upgrade we already list. This buying guide picks NOW for a cheap trial and sends statin users over 40 to the full CoQ10 guide before they default to the cheapest quinone.
Best Zinc: The Buying Guide
Zinc shopping is form and dose. Picolinate beats oxide. NOW 50 mg elemental is the cheap Amazon repletion capsule — it sits above the 40 mg/day adult upper limit, so it is not a forever daily. Thorne 15–30 mg NSF is the maintain bottle. This buying guide picks NOW for a short course and tells you to do the math with your multi.
Best Berberine: The Buying Guide
Berberine shopping is milligrams and GI luck. NOW 400 mg HCl with MCT is the Amazon softgel. Thorne 500 mg is the NSF upgrade. Clinical meal-time totals are often 1,000–1,500 mg/day — count capsules. This buying guide picks NOW for a cheap trial and refuses the OTC-metformin story.
Best Vitamin C: The Buying Guide
Vitamin C shopping is dose honesty. NOW C-1000 is the Amazon bottle already on this site. Food still covers most people. This buying guide picks NOW when you want a cheap tablet — especially next to collagen — and tells you 10 g powders and clinic IV drips are a different conversation.
Protocol Stacks
Infrared Sauna Protocol
Strong EvidenceHuberman and Rhonda Patrick's most-cited longevity intervention. 140°F+ for 20+ minutes.
Cold Exposure Protocol
Moderate EvidenceHuberman's minimum effective dose in uncomfortably cold water.
Sleep Optimization Protocol
Strong EvidenceTemperature, light, and tracking. The foundation of every biohack.
Red Light Therapy Protocol
Moderate EvidenceMorning photobiomodulation at 660nm + 850nm.
HRV Recovery Protocol
Moderate EvidenceTrain based on recovery, not motivation.
CGM Metabolic Protocol
Strong EvidencePersonalized nutrition through real-time glucose data.
NAD+ Longevity Protocol
Emerging EvidenceNR or NMN with TMG methyl donor support.
Creatine Protocol
Strong Evidence5g monohydrate for muscle, brain, and healthy aging.
Magnesium Sleep Protocol
Moderate Evidence200–400mg glycinate 30–60 min before bed.
Blueprint Core Stack
Moderate EvidenceBryan Johnson's evidence-based essentials, not the full 100-pill stack.
Zone 2 Cardio Protocol
Strong EvidencePeter Attia's mitochondrial foundation: conversational pace cardio.
Breathwork Protocol
Moderate EvidenceBox breathing, Wim Hof, and physiological sigh for nervous system control.
Foundation Supplement Stack
Strong EvidenceCreatine, magnesium, vitamin D+K2, omega-3. The tier-1 stack.
Contrast Therapy Protocol
Moderate EvidenceIntermittent Fasting Protocol
Moderate EvidenceDave Asprey's foundational metabolic biohack: 16:8 with fat-fueled mornings.
Bulletproof Coffee Protocol
Moderate EvidenceCoffee + C8 MCT + grass-fed butter for ketone-fueled focus.
Vagus Nerve Toning Protocol
Moderate EvidenceCold face immersion, slow breathing, and humming for nervous system resilience.
Neurofeedback Protocol
Moderate EvidenceEEG brain training for focus, calm, and meditation depth.
Huberman Sleep Stack
Emerging EvidenceApigenin 50mg + magnesium 200–400mg + theanine 100–200mg for sleep onset support.
Lion's Mane Nootropic Protocol
Moderate Evidence500–1000mg dual-extract lion's mane for cognitive support.
Ashwagandha Stress Protocol
Moderate Evidence600mg KSM-66 for cortisol reduction and stress resilience.
Blood Panel Baseline Protocol
Strong EvidenceComprehensive biomarker testing with ApoB, insulin, and thyroid.
BPC-157 Recovery Protocol
Emerging Evidence250–500mcg subcutaneous for tissue and gut healing.
TB-500 Recovery Protocol
Emerging Evidence2–2.5mg subcutaneous for tissue migration and joint recovery.
Glycine Sleep Protocol
Moderate Evidence3g glycine powder 30–60 min before bed for core temperature drop.
Circadian Rhythm Protocol
Strong EvidenceMorning sunlight within 60 min of waking, dim lights after sunset.
Grounding Protocol
Emerging EvidenceBarefoot outdoor contact or indoor grounding mat during sleep/work.
Urolithin A Longevity Protocol
Moderate Evidence500mg urolithin A for mitophagy and mitochondrial health.
Collagen Peptides Protocol
Moderate Evidence10–15g hydrolyzed collagen in morning coffee or smoothie.
Blue Light Blocking Protocol
Moderate EvidenceAmber lenses plus dimmed overhead lights for melatonin protection.
Epitalon Longevity Cycle
Emerging Evidence5–10mg subcutaneous for pineal and telomerase support.
L-Theanine Calm Protocol
Moderate Evidence100–400mg theanine for calm focus or evening wind-down.
D3 + K2 Protocol
Moderate Evidence2000–5000 IU D3 + 100–200mcg K2 with fat-containing meal.
Mouth Tape Nasal Breathing
Emerging EvidencePorous vertical tape strip for nasal breathing and snoring reduction.
Berberine Metabolic Protocol
Moderate Evidence500mg berberine per meal for glucose control and AMPK activation.
Rhodiola Morning Protocol
Moderate Evidence200–400mg standardized extract before breakfast for calm energy.
NAC Glutathione Protocol
Moderate Evidence600–1200mg NAC on empty stomach for antioxidant and liver support.
CoQ10 Mitochondrial Protocol
Moderate Evidence100–400mg ubiquinol with fatty meal, especially if on statins.
Tongkat Ali Testosterone Protocol
Moderate Evidence200–400mg standardized extract with baseline and follow-up bloodwork.
LMNT Electrolyte Protocol
Strong Evidence1000mg sodium packet during fasting, sauna, or heavy training.
Oura vs WHOOP Decision Guide
Strong EvidenceCompare sleep tracking, strain coaching, and subscription costs.
Zinc Immune Protocol
Moderate Evidence15–30mg zinc picolinate with food for immune and hormonal support.
Probiotic Gut Protocol
Moderate Evidence10–50B CFU of clinically studied strains with prebiotic fiber.
Cryotherapy Protocol
Moderate EvidenceWhole-body cryo or ice bath for recovery and norepinephrine boost.
Spermidine Autophagy Protocol
Emerging Evidence1–6mg spermidine from wheat germ extract for cellular cleanup.
Shilajit Vitality Protocol
Emerging Evidence250–500mg purified shilajit resin for energy and testosterone support.
Peptides Introduction Protocol
Emerging EvidenceUnderstand peptide classes, sourcing, and safety before starting.
HBOT Recovery Protocol
Moderate EvidenceHyperbaric oxygen at 1.5–2.0 ATA for tissue repair and recovery.
Omega-3 Protocol
Strong Evidence2–3g combined EPA+DHA for cardiovascular and brain health.
Vitamin D Protocol
Strong Evidence2000–5000 IU D3 with K2, test blood levels twice yearly.
Gut Microbiome Protocol
Moderate EvidenceDiverse fiber, fermented foods, and targeted testing.
Testosterone Optimization Protocol
Moderate EvidenceSleep, lifting, zinc, tongkat ali, and baseline blood panels.
Glutathione Support Protocol
Moderate EvidenceNAC, glycine, and sulfur-rich foods for master antioxidant production.
Environmental Health Protocol
Moderate EvidenceAir purification, water filtration, and toxin reduction at home.
Nootropics Starter Protocol
Emerging EvidenceBegin with lion's mane, L-theanine, and caffeine before advanced stacks.
AG1 Daily Greens Protocol
Moderate EvidenceOne scoop greens powder in water each morning for micronutrient coverage.
Sleep Cooling Protocol
Strong Evidence65–68°F bedroom, warm bath 90 min pre-bed, active cooling if needed.
Fisetin Senolytic Pulse
Emerging Evidence1000mg fisetin/day for 2 days to clear senescent cells.
Methylene Blue Micro-Dose
Emerging Evidence0.5–4mg pharma-grade methylene blue — never with SSRIs.
Home Water Filtration
Strong EvidenceTest tap water, install RO or gravity filter for PFAS and lead removal.
GHK-Cu Peptide Protocol
Moderate Evidence1–2mg subQ or topical 1–2% serum for skin and tissue repair.
Stem Cell Therapy Overview
Emerging EvidenceUnderstand stem cell types, clinics, and realistic outcome expectations.
Strength Training Protocol
Strong EvidenceFull-body compounds, progressive overload, protein and creatine for muscle longevity.
VO2 Max Protocol
Strong EvidenceConversational cardio plus a weekly 4×4 or hill-repeat stimulus.
Taurine Longevity Protocol
Emerging Evidence1–3g taurine from food or capsules — cheap add-on, not a life-extension proof.
Rapamycin Longevity Overview
Emerging EvidencemTOR science and ITP mouse data — prescription only, no DIY sourcing.
GLP-1 Metabolic Overview
Strong EvidenceSemaglutide/tirzepatide evidence plus muscle-preserving training and protein.
NSDR / Yoga Nidra Protocol
Moderate EvidenceGuided non-sleep deep rest for afternoon recovery without wrecking nighttime sleep.
Protein for Longevity
Strong Evidence1.2–1.6 g/kg/day with leucine-rich meals to preserve muscle during aging and GLP-1 therapy.
Metformin Longevity Protocol
Moderate EvidenceTAME trial context, berberine comparison, and exercise interaction cautions.
Microplastics Reduction
Emerging EvidenceFilter water, swap containers, and reduce plastic heat exposure to lower body burden.
Hydrogen Water Protocol
Emerging EvidenceMolecular hydrogen tablets or generators for oxidative stress and recovery.
PEMF Recovery Protocol
Moderate EvidencePulsed electromagnetic field therapy for pain, sleep, and tissue recovery.
Oral Microbiome Protocol
Moderate EvidenceNasal breathing, tongue scraping, and oral hygiene for sleep and systemic health.
Electrolyte & Sodium Protocol
Strong EvidenceSodium and potassium replacement for sweat, sauna, fasting, and low-carb adaptation.
Compression Recovery Protocol
Moderate EvidencePneumatic boot sessions after leg-heavy training or travel.
Daily Walking Protocol
Strong EvidenceNEAT steps plus post-meal walks for mortality and glucose benefits.
Caffeine Timing Protocol
Moderate EvidenceDelay morning caffeine, stack L-theanine, hard cutoff before bed.
Infrared Sauna Blanket Protocol
Moderate EvidenceApartment-friendly FIR heat sessions with hydration and contrast options.
Rucking Protocol
Moderate EvidenceWeighted walking at Zone 2 for bone, strength-endurance, and low-impact cardio.
ApoB Lipid Panel Protocol
Strong EvidenceApoB, Lp(a), and lifestyle levers for cardiovascular longevity.
Mitochondrial Stack Protocol
Moderate EvidenceCoQ10, NAD+ precursors, and urolithin A with exercise-first hierarchy.
Red Light Face Mask Protocol
Moderate EvidenceLED mask sessions for skin collagen and texture over 8–12 weeks.
Stress Wearable Protocol
Emerging EvidenceApollo or Sensate sessions plus HRV tracking with Oura.
Bone Density Protocol
Strong EvidenceDEXA screening, heavy lifting, D3/K2, and protein for structural longevity.
Indoor Air Quality Protocol
Strong EvidenceSized HEPA filtration for PM2.5 and smoke reduction where you sleep.
Countertop Water Filter Protocol
Moderate EvidenceRO or gravity filtration with scheduled filter replacements.
Glucose Spike Control Protocol
Strong EvidencePost-meal walks, food order, and optional berberine with CGM learning phases.
Muse Meditation Protocol
Moderate EvidenceEEG-guided meditation sessions to build consistent practice.
Gundry Gut Check Protocol
Emerging EvidenceLectin-aware eating, fermented foods, and microbiome repair per Gundry's Plant Paradox series.
Sinclair Longevity Protocol
Emerging EvidenceTime-restricted eating, exercise, cold exposure, and NAD+ support per Lifespan.
William Li Eat to Beat Protocol
Moderate Evidence5×5×5 add-foods plan: angiogenesis, regeneration, microbiome, DNA protection, immunity.