EP 1364

1364. The Willpower Drug: How to Supplement Discipline

In this episode of The Human Upgrade, Host Dave Asprey sits down with naturopathic physician Greg Kelly for a deep, practical masterclass on creatine and human energy. They break down how creatine supports mitochondria, buffers ATP, and fuels both the brain and muscles during high demand, reframing weight loss, cravings, focus, and emotional regulation as energy problems rather than willpower failures. Dave and Greg explore creatine’s role in cognition, sleep debt recovery, metabolism, and longevity, including why women often need more than men, how creatine supports the brain during stress and fatigue, and why quality, dosing, timing, magnesium, and methylation all matter. The conversation cuts through myths around kidneys, bloating, and caffeine, explains why red meat is the primary dietary source, and shows how creatine fits into a Smarter Not Harder approach to biohacking, supplements, and sustainable human performance. 

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In this Episode of The Human Upgrade™...

Creatine is a hot subject right now, but I’m guessing you might not know as much about it as you could. Well step into a new creatine masterclass with our friends from Qualia. This episode shows you why it is not just for muscle, but one of the most powerful and well studied upgrades for brain energy, metabolism, sleep resilience, and long term human performance. You will learn how creatine supports mitochondria, buffers ATP, reduces cravings, and helps you think, train, and recover with more energy instead of relying on willpower. 

 

Host Dave Asprey sits down with Greg Kelly for a deep, practical masterclass on creatine and energy biology. Greg Kelly is a naturopathic physician, functional medicine expert, and longtime researcher in supplements and nootropics. He has spent decades studying creatine, mitochondrial function, cognition, and performance, and has contributed to peer reviewed research while working directly with athletes, clinicians, and high performers. 

 

Together, Dave and Greg break down how creatine works at the cellular level, why it matters for cognition, emotional regulation, and metabolism, and how it supports the brain and body during stress, sleep deprivation, dieting, and recovery. They explore neuroplasticity, ATP production, magnesium, methylation, and why energy availability drives discipline, focus, and resilience more effectively than willpower alone. They also explain why creatine matters for women, aging adults, and people dealing with fatigue or obesity, and how creatine supports brain function even when muscle mass is low. 

 

This conversation connects bodybuilding research with modern longevity science, nootropics, functional medicine, and sleep optimization. Dave and Greg also expose why creatine quality matters, how contaminants can impair mitochondrial function, why some products fail label claims, and how to choose forms that absorb better and cause less bloating. Practical strategies like dosing, timing, stacking with magnesium, and using creatine with hot coffee are all covered, including why Dave uses it with Danger Coffee as part of his Smarter Not Harder approach. 

 

You’ll Learn: 

  • Why creatine acts as an ATP buffer for both muscles and the brain
  • How mitochondria drive cognition, metabolism, and emotional regulation
  • The real dosing debate from low daily maintenance to higher cognitive doses
  • Why women often need more creatine than men
  • How creatine supports performance during sleep deprivation and sleep debt
  • The link between magnesium, creatine phosphate, and ATP production
  • How methylation and TMG relate to creatine synthesis and timing
  • Why creatine can reduce cravings by improving cellular energy
  • How low quality creatine and contaminants can damage mitochondrial function
  • When creatine matters most for longevity, resilience, and human performance

 

Dave Asprey is a four time New York Times bestselling author, founder of Bulletproof Coffee, and the father of biohacking. With over 1,000 interviews and 1 million monthly listeners, The Human Upgrade is the top podcast for people who want to take control of their biology, extend their longevity, and optimize every system in the body and mind. Each episode features cutting edge insights in health, performance, neuroscience, supplements, nutrition, hacking, emotional intelligence, and conscious living. 

 

Episodes are released every Tuesday and Thursday, where Dave asks the questions no one else dares, and brings you real tools to become more resilient, aware, and high performing. 

 

Keywords: creatine brain energy, creatine ATP buffering, creatine mitochondria, creatine cognitive performance, creatine supplementation science, creatine dosing cognition, creatine sleep deprivation, creatine emotional regulation, creatine cravings metabolism, creatine fatigue brain, creatine women dosing, creatine longevity science, creatine nootropics, creatine brain optimization, ATP brain energy, mitochondrial energy production, magnesium creatine ATP, creatine methylation TMG, creatine bioavailability, danger coffee creatine, dave asprey creatine, greg kelly creatine, smarter not harder energy 

 

Resources:   

“The main role of creatine is to buffer ATP. When muscles are working really hard or the brain is thinking really intensely, ATP runs short, and creatine is the system that comes to the rescue.”

Greg Kelly

00:00 – Trailer 

A fast paced preview highlighting why creatine matters for brain energy, metabolism, sleep resilience, and human performance. 

01:25 – Introduction 

Host Dave Asprey introduces Greg Kelly and frames the episode around energy, mitochondria, and why creatine goes far beyond bodybuilding. 

04:57 – History of Creatine 

Creatine’s discovery in 1832, early research, and its breakthrough moment at the 1992 Olympics with British athletes. 

07:47 – How Creatine Works 

Creatine buffers ATP by cycling between creatine and phosphocreatine to power muscles and the brain during high demand. 

12:00 – Dietary Sources 

Red meat is the primary source, providing about 2 grams per pound, with minimal amounts in other foods. 

13:30 – Dosing Guidelines 

Body weight and activity level determine needs, with 2 to 5 grams daily for maintenance and higher doses for performance. 

18:08 – Cognitive Benefits 

The thalamus shows the highest creatine uptake, improving focus, decision making, and executive function. 

19:36 – Bodybuilding vs Biohacking Doses 

Traditional bodybuilding uses 2 to 3 grams daily, while biohackers often take 10 to 20 grams for cognitive enhancement. 

22:08 – Kidney Function and Safety 

Creatine is extremely safe with over 700 studies; elevated creatinine is a measurement artifact, not kidney damage. 

24:42 – Sleep and Recovery 

Creatine helps with sleep debt recovery and may reduce sleep needs while improving cognitive performance when sleep deprived. 

26:08 – Bloating and Absorption 

Ultra fine, highly soluble forms reduce bloating by improving upper GI absorption and limiting gut fermentation. 

30:53 – Timing and Caffeine 

Hot coffee increases creatine solubility and absorption; caffeine and creatine work synergistically despite old myths. 

34:07 – Forms of Creatine 

Creatine monohydrate has the most research, while newer forms like magnesium creatine chelate offer better solubility. 

43:06 – Weight Loss and Obesity 

Creatine helps obese individuals by increasing brain ATP, reducing fatigue and cravings, and improving willpower. 

45:50 – Testosterone and Hormones 

Studies show creatine increases testosterone in men and supports reproductive health in both sexes through mitochondrial function. 

47:47 – Women and the Menstrual Cycle 

Women need more creatine than men and benefit from daily supplementation to stabilize energy and mood across their cycle. 

50:12 – Pregnancy and Fertility 

Animal studies show safety and benefits; 1 to 5 grams daily may support mitochondrial demands during pregnancy and conception. 

53:44 – Magnesium Connection 

Magnesium is essential for converting creatine to phosphocreatine and for ATP function, making it a critical cofactor. 

56:17 – Methylation and TMG 

Creatine synthesis requires methyl groups; TMG (betaine) supports methylation and ATP production through separate pathways. 

01:01:18 – Quality and Contaminants 

Cheap creatine may contain dicyandiamide, which converts to cyanide, creatinine, and other contaminants that harm mitochondria. 

01:09:17 – Practical Tips 

Mix creatine into hot beverages for better absorption and build it into your daily routine for consistency. 

01:15:46 – Kids and Teenagers 

Creatine is safe for teens at adult doses; children may benefit from 0.5 to 1 gram daily with medical guidance. 

Enjoy the show!

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