Doctor
Longevity physician, author of Outlive, host of The Drive
Peter Attia, physician, author of Outlive and host of The Drive, has described training built on strength and stability work, about four Zone 2 cardio sessions a week, VO2 max intervals and rucking with a 60 lb pack. Supplements he has said he takes include fish oil, several forms of magnesium, glycine, ashwagandha, methylfolate and methyl B12, vitamin B6 and vitamin D. He has had business ties to AG1, David Protein and Maui Nui Venison. His book picks include Surely You're Joking, Mr. Feynman! and Mistakes Were Made (but Not by Me).
20 sourced items, last checked 9 Nov 2026. Each one links to where Peter Attia said it. Paid sponsorships and brands they own are labelled.
Books they've recommended, re-read or credited with changing their thinking.
Attia named this book on cognitive dissonance as one of the books he has gifted most, in Tim Ferriss's roundup of guests' book picks.
Source: The Unusual Books That Shaped 50 Billionaires, Mega-Bestselling Authors, and Other Prodigies (article, 10 Dec 2016)
Attia listed Feynman's memoir among his most-gifted books in Tim Ferriss's compilation of guest recommendations.
Source: The Unusual Books That Shaped 50 Billionaires, Mega-Bestselling Authors, and Other Prodigies (article, 10 Dec 2016)
Supplements they've said they take, in their own words. Not medical advice.
Attia listed ashwagandha among the supplements he regularly takes in his sleep routine.
“I'm a fan of glycine, ashwagandha, magnesium L-threonate, and straight magnesium oxide.”Peter Attia
Source: How Sleep, Diet, Exercise, and Mental Health Fit a Longevity Routine (podcast, 27 Dec 2023)
Four capsules a day, roughly 2 g EPA and 1.5 g DHA (as stated)
On a 2023 Q&A episode of The Drive, reported by Insider, Attia described taking fish oil capsules daily as part of his morning stack.
“by taking four of these capsules a day, I'm taking roughly two grams of EPA a day”Peter Attia
Source: Longevity doctor Peter Attia shares the 9 supplements he's taking each morning (article)
Attia listed glycine as one of his regular sleep-related supplements.
“I'm a fan of glycine, ashwagandha, magnesium L-threonate, and straight magnesium oxide.”Peter Attia
Source: How Sleep, Diet, Exercise, and Mental Health Fit a Longevity Routine (podcast, 27 Dec 2023)
Attia named magnesium L-threonate (along with magnesium oxide) among the supplements he regularly uses around sleep.
“I'm a fan of glycine, ashwagandha, magnesium L-threonate, and straight magnesium oxide.”Peter Attia
Source: How Sleep, Diet, Exercise, and Mental Health Fit a Longevity Routine (podcast, 27 Dec 2023)
One of each daily, lowest standard dose (as stated)
Attia said he takes Jarrow methylfolate and methyl B12 daily, per Insider's write-up of his 2023 Drive Q&A.
Source: Longevity doctor Peter Attia shares the 9 supplements he's taking each morning (article)
Two pills each morning, taken with AG1
Attia said he was trying Pendulum's Glucose Control probiotic to see whether it changed his lab results; Insider reported it in his 2023 morning stack.
Source: Longevity doctor Peter Attia shares the 9 supplements he's taking each morning (article)
Two or three pills daily, as part of aiming for about 1 g elemental magnesium per day across several forms
Attia said he takes magnesium in multiple forms, including Slow-Mag magnesium chloride tablets, per Insider's report on his 2023 Q&A episode.
Source: Longevity doctor Peter Attia shares the 9 supplements he's taking each morning (article)
50 mg three times a week (previously daily)
Attia said he cut his B6 from daily to three times a week after concluding he needed less than he had thought.
“We don't need nearly as much B6 as I thought we did”Peter Attia
Source: Longevity doctor Peter Attia shares the 9 supplements he's taking each morning (article)
Attia listed vitamin D among his daily supplements on a 2023 Drive Q&A episode, saying he considers his relatively high dose low-risk.
“I think the risk is insanely low”Peter Attia
Source: Longevity doctor Peter Attia shares the 9 supplements he's taking each morning (article)
One scoop daily
Attia became a paid scientific advisor to Athletic Greens in 2022; in the announcement he said he takes AG1 every day.
“I take a scoop of AG1 every day, regardless of what else I'm eating.”Peter Attia
Source: Athletic Greens Names Dr. Peter Attia as Scientific Advisor (article, 23 Aug 2022)
Training plans and routines they've described publicly: the weekly split, the exercises, the sets and reps.
60 lb backpack, walking hills in his neighborhood
Attia told Fortune he rucks with a weighted backpack and values the downhill portions for leg strength.
“I carry 60 pounds in a backpack on my back, and I walk up and down hills all over my neighborhood.”Peter Attia
Source: Longevity expert Peter Attia shares the walking workout he swears by (article, 23 June 2023)
3-5 strength sessions a week; stability work most days plus roughly one dedicated ~60-minute session
Attia described lifting several times a week and weaving stability work into nearly every day.
“Stability is sprinkled into pretty much every day”Peter Attia
Source: Peter Attia on Zone 2 and Zone 5 Training (podcast, 8 Feb 2022)
About four sessions a week, usually on a stationary bike with a power meter, holding finger-stick lactate around 1.8-1.9 mmol; treadmill at 15% incline/3.0-3.4 mph or elliptical as alternatives
In an AMA excerpt on his site, Attia described his own zone 2 practice and how he calibrates intensity with a lactate meter.
Source: Peter Attia on Zone 2 and Zone 5 Training (podcast, 8 Feb 2022)
Two zone 5 sessions a week (2020 AMA); one VO2 max session a week in a later description (2023)
Attia includes high-intensity zone 5 interval work alongside zone 2 in his training week.
Source: Peter Attia on Zone 2 and Zone 5 Training (podcast, 8 Feb 2022)
How they say they eat — fasting windows, protocols and staples.
40-50 g protein, four times a day
Attia said he follows no named diet; he focuses on energy balance, avoiding junk food and hitting protein across four feedings.
“I don't follow any particular diet.”Peter Attia
Source: How Sleep, Diet, Exercise, and Mental Health Fit a Longevity Routine (podcast, 27 Dec 2023)
Attia was an investor in and Chief Science Officer of protein-bar maker David; the founder announced in early 2026 that he had stepped down from the role.
Source: Longevity expert Dr. Peter Attia steps down from David Protein (article, 3 Feb 2026)
Five to ten sticks a day toward a 150-180 g daily protein target (as reported)
Attia, an investor in Maui Nui, said its venison sticks supply a large share of his daily protein and he often prefers them to shakes.
“I will easily throw down five to ten of those sticks a day”Peter Attia
Source: Longevity doctor Peter Attia eats up to 10 venison jerky sticks a day to hit his protein target (article, 29 Oct 2023)
Wearables, equipment and tools they use day to day.
Attia said he sleeps on an Eight Sleep mattress cover, noting he had no affiliation with the company at the time.
“I use Eight Sleep as my mattress cover.”Peter Attia
Source: How Sleep, Diet, Exercise, and Mental Health Fit a Longevity Routine (podcast, 27 Dec 2023)
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