Matt Gallant
Co-founder of the supplement company BiOptimizers, former personal trainer and bodybuilder, and digital marketer
Matt Gallant (Co-founder of the supplement company BiOptimizers, former personal trainer and bodybuilder, and digital marketer) has appeared as a guest on 1 episode in TMT. Topics they speak about most include Sleep, Aging, Hormone replacement therapy.
In their words
Positions and remarks grouped by topic, each with the exact quote and where it was said.
Sleep
Gallant says longitudinal studies show people who sleep about seven hours live longest.
“if you look at the longitudinal studies on lifespan, seven hours lives the longest”
On Purpose with Jay Shetty: Matt Gallant & Wade Lightheart: How to Hack Your Sleep and Digestion to Live an Optimized Life (Nov 11, 2026) · Listen from 24:59
Gallant cites a UK study of 89,000 people identifying inconsistent sleep timing as a driver of mortality risk distinct from sleep quality and duration.
“They tested, they tracked 89,000 people in the UK and it's inconsistent sleep time”
On Purpose with Jay Shetty: Matt Gallant & Wade Lightheart: How to Hack Your Sleep and Digestion to Live an Optimized Life (Nov 11, 2026) · Listen from 20:58
Gallant says he spent about $45,000 on sleep equipment while trying to fix his deep sleep.
“I spent about $45,000 on sleep gear, equipment, whatever you name it”
On Purpose with Jay Shetty: Matt Gallant & Wade Lightheart: How to Hack Your Sleep and Digestion to Live an Optimized Life (Nov 11, 2026) · Listen from 16:33
Aging
Gallant says full-body biomarker testing has become dramatically cheaper and recommends it for people in their 40s and 50s.
“the cost of doing full body biomarker panels is dropping like 70, 80%”
On Purpose with Jay Shetty: Matt Gallant & Wade Lightheart: How to Hack Your Sleep and Digestion to Live an Optimized Life (Nov 11, 2026) · Listen from 1:08:59
Gallant describes a K-shaped divergence in which health-conscious people get healthier while others get sicker.
“K-shaped shift where those of us that are on the path are getting healthier and then those that aren't are getting sicker”
On Purpose with Jay Shetty: Matt Gallant & Wade Lightheart: How to Hack Your Sleep and Digestion to Live an Optimized Life (Nov 11, 2026) · Listen from 5:45
Hormone replacement therapy
Gallant warns that hormone replacement therapy is complex and requires expert supervision.
“HRT, hormone replacement therapy, is very complicated. It's like a teeter-totter system”
On Purpose with Jay Shetty: Matt Gallant & Wade Lightheart: How to Hack Your Sleep and Digestion to Live an Optimized Life (Nov 11, 2026) · Listen from 1:12:50
Strength training
Gallant argues muscle built in one's 20s and 30s is easy to maintain later with about a third of the training volume.
“once you've built it, it's very easy to maintain. You can maintain it with about a third of the volume”
On Purpose with Jay Shetty: Matt Gallant & Wade Lightheart: How to Hack Your Sleep and Digestion to Live an Optimized Life (Nov 11, 2026) · Listen from 1:01:53
BiOptimizers
Gallant says the company's partner lab employs 10 PhDs and has run more than 81,000 experiments since 2019.
“we have 10 PhDs now in the lab, and we've run over 81,000 experiments and counting since 2019”
On Purpose with Jay Shetty: Matt Gallant & Wade Lightheart: How to Hack Your Sleep and Digestion to Live an Optimized Life (Nov 11, 2026) · Listen from 57:42
Cold water immersion
Gallant considers cold plunging overrated, saying beyond alertness and inflammation benefits it does not significantly improve health markers.
“Besides those benefits, which are real, it's not producing any sort of significant health improvement that”
On Purpose with Jay Shetty: Matt Gallant & Wade Lightheart: How to Hack Your Sleep and Digestion to Live an Optimized Life (Nov 11, 2026) · Listen from 53:52
Leaky gut syndrome
Gallant reports that a doctor who tested the company's probiotic on 11 patients saw zonulin levels fall by over 90%.
“tested it on 11 patients, and it reduced their zonulin over 90%”
On Purpose with Jay Shetty: Matt Gallant & Wade Lightheart: How to Hack Your Sleep and Digestion to Live an Optimized Life (Nov 11, 2026) · Listen from 50:26
Caffeine
Gallant recommends that slow caffeine metabolizers stop consuming caffeine by noon to protect sleep quality.
“But ideally, if you're a slow caffeine metabolizer, stop at noon”
On Purpose with Jay Shetty: Matt Gallant & Wade Lightheart: How to Hack Your Sleep and Digestion to Live an Optimized Life (Nov 11, 2026) · Listen from 16:33
Magnesium supplementation
Gallant argues that magnesium is difficult to obtain in sufficient quantity from food alone.
“magnesium, for an example, is one of those minerals that's very difficult to get enough from food”
On Purpose with Jay Shetty: Matt Gallant & Wade Lightheart: How to Hack Your Sleep and Digestion to Live an Optimized Life (Nov 11, 2026) · Listen from 11:23
Ultra-processed food
Gallant argues that the ready availability of hyperpalatable foods is a major cause of poor metabolic health.
“And a big part of it is the readily available supply of hyperpalatable foods”
On Purpose with Jay Shetty: Matt Gallant & Wade Lightheart: How to Hack Your Sleep and Digestion to Live an Optimized Life (Nov 11, 2026) · Listen from 2:00
Appearances
Matt Gallant & Wade Lightheart: How to Hack Your Sleep and Digestion to Live an Optimized LifeOn Purpose with Jay Shetty · Nov 11, 2026 · 1 h 22 min
BiOptimizers co-founders Matt Gallant and Wade Lightheart talk with Jay Shetty about processed food, sleep, digestive enzymes, gut health, supplements and age-specific health priorities.
Often appears with
- Jay Shetty · 1 shared episode
- Wade Lightheart · 1 shared episode