Compare experts › Bryan Johnson vs Gary Brecka

Bryan Johnson vs Gary Brecka

Bryan Johnson (entrepreneur, founder of blueprint) and Gary Brecka (wellness entrepreneur (not a doctor)) side by side: how they train, eat, supplement and sleep, how strong the evidence is, and how to build a plan from either or both.

Build a plan from bothSee the protocols
Words explained (13)
Zone 2
Steady cardio at a pace where you can still talk in full sentences, but not sing.
Intervals
Short hard efforts with easy recovery in between, such as 30 seconds fast, 90 seconds slow.
4 × 4
Four rounds of 4 minutes hard with 3 minutes easy in between. Also called Norwegian intervals.
Loaded carry
Walking while holding something heavy, like shopping bags or dumbbells.
Mobility
Moving your joints freely through their full range.
Creatine
A well-studied supplement that supports strength and muscle.
Omega-3 (EPA, DHA)
Healthy fats found mostly in oily fish such as salmon, herring and sardines.
Fibre
The part of plant foods you don't digest. It feeds healthy gut bacteria and keeps you full.
Time-restricted eating
Eating all your meals within a set window of the day, for example 8am to 6pm.
Glucose
Blood sugar.
Mitochondria
The parts of your cells that turn food and oxygen into energy.
Rapamycin, metformin
Prescription drugs that some experts take hoping to slow ageing. Not proven for that, and never part of your plan.
MTHFR, methylation
A gene and the chemical process it helps with. The common variants are very frequent, and testing them is not recommended for most people.

At a glance

MeasureBryan JohnsonGary Brecka
BackgroundEntrepreneur, founder of BlueprintWellness entrepreneur (not a doctor)
Training split30% strength · 40% aerobic · 20% intervals · 10% mobility20% strength · 55% aerobic · 5% intervals · 20% mobility
Signature habitSleep-first, measure everythingSunlight, breathwork, cold
Protein~130 g a day~30 g soon after waking
Training styleMeasure everythingMorning rituals
Overall evidenceMixedMostly weak
FollowingInstagram 2.8M · YouTube 2.2MInstagram 3M · YouTube 63K

Training splits are our estimates from each expert’s published routine. Following checked October 2026.

The key differences

  • Johnson puts more of the week into strength: about 30% against 20%.
  • Brecka puts more of the week into aerobic base (zone 2): about 55% against 40%.
  • Johnson puts more of the week into intervals: about 20% against 5%.
  • Brecka puts more of the week into mobility and stability: about 20% against 10%.
  • In plans in their style, Johnson's hard sessions are 4-minute intervals (Norwegian 4 × 4); Brecka's are 1-minute intervals.
  • We rate the evidence behind Johnson's protocol higher: mixed, against mostly weak for Brecka.
  • Supplements that go into a plan: Johnson, creatine monohydrate, omega-3; Brecka, omega-3 fish oil, creatine monohydrate. Prescription items and personal stacks stay out of every plan.
  • Both include their own mobility or movement routine.

Protocols side by side

Each line is rated for the evidence behind it. “Doctor only” items never go into a plan.

Training

Bryan Johnson

  • About 150 minutes a week of moderate cardio (Zone 2, a pace where you can still talk)Strong evidence
  • About 75 minutes a week of vigorous work such as high-intensity intervalsStrong evidence
  • Strength training 3 times a weekStrong evidence
  • Balance, flexibility and mobility work included in the daily sessionSome evidence
  • 2–3 minutes of light movement every 30 minutes of sitting, plus two 10-minute walks a daySome evidence
  • He says even 20 minutes of exercise a day is worthwhile for people starting outNote

Gary Brecka

  • About 30 minutes of low-intensity movement in the morning (part of the '30-30-30' idea he promotes)Strong evidence
  • Stay mobile and active every dayStrong evidence
  • Exercise while breathing extra oxygen (EWOT)Personal habit
  • Gives few specific strength-training targetsNote

Eating

Bryan Johnson

  • About 2,250 kcal a day, which he describes as roughly 10% below his energy needsSome evidence
  • About 130 g protein a day, much of it from plant foods, protein powders and collagenPersonal habit
  • Lots of vegetables, legumes (black lentils, chickpeas), berries, nuts and extra-virgin olive oil (about 1 tbsp per meal)Strong evidence
  • All food eaten between about 5:30 am and noonPersonal habit
  • Stops drinking fluids at about 4 pm to avoid waking at nightPersonal habit
  • Follows no named diet; he says he avoids labels such as vegan or ketoNote

Gary Brecka

  • About 30 g of protein within 30 minutes of wakingSome evidence
  • Avoid processed foods; eat whole foodsStrong evidence
  • Lower-carb or ketogenic plans for weight loss in some clients, guided by blood testsDoctor only

Supplements

Bryan Johnson

  • Creatine, 7.5 g a day in totalSome evidence
  • Omega-3 (EPA/DHA), 800 mg a daySome evidence
  • Fibre-type prebiotics (inulin, galacto-oligosaccharides, arabinogalactan) in his morning drinkPersonal habit
  • Ashwagandha and rhodiolaPersonal habit
  • Blueprint's own multi-ingredient capsules and antioxidant softgelsPersonal habit
  • Collagen powder; he suggests 20–30 g a day for skin and hairPersonal habit

Gary Brecka

  • Vitamin D3, ideally guided by a blood testDoctor only
  • Omega-3 fish oil in the morningSome evidence
  • Methylfolate and methylated B vitamins based on a methylation gene testPersonal habit
  • Hydrogen water tabletsPersonal habit
  • Creatine (sold under his brand)Some evidence
  • Peptides such as BPC-157 and TB-500 (he is a fan)Doctor only

Sleep & recovery

Bryan Johnson

  • Fixed early schedule: in bed about 8:30 pm, up about 4:30 amStrong evidence
  • Screens off and a 60-minute wind-down before bedSome evidence
  • No caffeine for 8–10 hours before sleepSome evidence
  • Bright light soon after waking and dim red or amber light in the eveningSome evidence
  • Dry sauna at about 79 °C for 20 minutes dailySome evidence
  • Tracks sleep with a wearable and aims for a very low resting heart rate before sleepPersonal habit

Gary Brecka

  • Morning daylight to set the body clockStrong evidence
  • Short daily cold water exposureSome evidence
  • Red light therapy bed, about 20 minutesPersonal habit
  • Hyperbaric oxygen and cryotherapy at homePersonal habit

Stress & mind

Bryan Johnson

  • Uses a fixed routine so daily health choices do not depend on willpowerPersonal habit
  • Breathwork or reading as part of the evening wind-downSome evidence

Gary Brecka

  • Wim Hof-style breathing: 3 rounds of 5–30 breaths, then a breath hold, always seatedSome evidence
  • Same routine at the same time each dayPersonal habit
  • Barefoot grounding outdoorsPersonal habit

Weak spots to know

Bryan Johnson

  • His results come from one person doing many things at once, so it is hard to tell which part works. Scientists including Nir Barzilai (Nature, republished by Scientific American, 2026), who said science can't rest on a single person, and Morgan Levine (quoted in Vice, reported by Lifespan.io, 2023) have made this point.
  • His 'speed of ageing' and biological-age figures come from epigenetic clocks and biomarker comparisons. Researchers such as Steve Horvath have noted that some of these clocks predict health outcomes less well than others, and none is yet proven as a measure of whether a treatment extends life.
  • Several therapies he has tried, such as young-donor plasma and rapamycin, he later dropped himself. The US FDA has warned that young-plasma infusions have no proven benefit and may cause harm.

Gary Brecka

  • He is not a medical doctor or a research scientist; McGill University's Office for Science and Society (Jonathan Jarry, 2025) called his expertise questionable and said the health interventions he points customers to run from unproven to pseudoscientific.
  • His MTHFR claims run against medical genetics guidance: the American College of Medical Genetics and Genomics has advised against routine MTHFR variant testing since 2013 (updated 2020).
  • Hydrogen water, grounding and red light are presented with more certainty than the research supports; the McGill review described hydrogen research as small and early, and grounding as pseudoscience.

Build a plan from Johnson, Brecka or both

Your free plan shows a week of gym sessions, cardio, a day of eating, supplements and mobility, fitted to your age, time and health.

Plan in Johnson's stylePlan in Brecka's styleMix both

Questions

What is the main difference between Bryan Johnson and Gary Brecka?

Their training split differs most in aerobic base (zone 2): Johnson about 40%, Brecka about 55% (our estimate from their published routines). Johnson's signature habit is Sleep-first, measure everything; Brecka's is Sunlight, breathwork, cold.

How much protein do Johnson and Brecka recommend?

Johnson: ~130 g a day. Brecka: ~30 g soon after waking.

Whose advice has stronger evidence?

We rate the evidence behind Johnson's protocol higher: mixed, against mostly weak for Brecka.

Do Johnson and Brecka disagree?

Not directly in what we reviewed. Their differences are in emphasis: johnson puts more of the week into strength: about 30% against 20%.

Can I combine Johnson and Brecka?

Yes. In Build my mix you choose one expert per area, for example one for strength and another for eating. Your free plan shows the result straight away.

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Full sources are on each profile: Bryan Johnson · Gary Brecka. Reviewed October 2026.