Summary
Nail your supplement stack with evidence-based dosing: 3-5g creatine daily, protein at 1.6-2.2g/kg for athletes, and strategic caffeine timing for performance. Most supplements are overhyped, but these few actually work.
Key Points
- Creatine benefits are robust across populations
- 3-5g daily is sufficient for most people
- Caffeine timing matters for performance
- Protein needs higher for athletes (1.6-2.2g/kg)
- Most supplements have weak evidence
- Food first approach is best
Key Moments
Creatine at 3-5g/day: benefits for performance, cognition, longevity, and more
Galpin covers creatine's extensive benefits beyond muscle, including cognition and longevity, plus other supplement categories like fatigue blockers.
"Take, for example, creatine. He laid out all the myriad of benefits of creatine. This is taken in the typically three to five grams per day dose."
Supplement categories: fatigue blockers (beta-alanine), stimulants (caffeine, beetroot)
Galpin organizes supplements into categories -- fatigue blockers like beta-alanine and sodium bicarbonate, and stimulants like caffeine and beetroot.
"From the fatigue blocker is going to be anything like beta alanine or sodium bicarbonate. From the stimulant use, of course, we have anything like a beetroot juice to a caffeine."
Woman drinking 300+ oz of water daily had sleep and focus issues from overhydration
Galpin shares a case study where excessive water intake (300+ oz/day) combined with 8 cups of coffee caused sleep problems and brain fog.
"We dropped her down to about 180 ounces. Instantaneously, I mean, like two days in, her focus, her brain fog is gone."
Low-carb dieters who drink caffeine lose extra sodium and need to supplement it
Combining low-carb diets with caffeine causes double water/sodium loss since carbs hold water and caffeine is a diuretic, requiring deliberate sodium.
"When you drop carbohydrates, starches in particular, you urinate a lot more. And when you drink caffeine, you also urinate a lot more."
Huberman delays caffeine 90-120 min on rest days but drinks it pre-workout on training days
Huberman trains fasted with caffeine but tops off glycogen the night before.
"On days when I don't train, I delay my caffeine intake 90 to 120 minutes after waking. But on training days, it's water and caffeine before the workout."
Caffeine dosing for performance: 1-3mg/kg body weight, taken 30 min before exercise
The evidence strongly supports caffeine's ergogenic effect. A coffee or espresso gets you close to an effective dose at about 1-3mg/kg bodyweight.
"The evidence is strong. It has an ergogenic effect. A coffee is gonna get you close and espresso is gonna get you somewhat in that ballpark."
Single-ingredient supplements let you build a rational stack and troubleshoot issues
Galpin advocates single-ingredient formulations so you can add, remove, or adjust each supplement independently rather than relying on proprietary.
"Single ingredient formulations are pretty much the only way to build a rational approach to supplementation and also make adjustments if something isn't working."
Galpin on supplement dependency: the goal is physiological resilience, not reliance
Galpin distinguishes between physiological caffeine dependency and psychological habit, and emphasizes building resilience so you can function well.
"I don't want you dependent upon anything. I want to create extremely resilient people and physiological resilience."
Caffeine borrows alertness from the adenosine system -- with interest
Caffeine blocks adenosine receptors temporarily, but when it clears, adenosine acts even more potently.
"Caffeine is really borrowing against the adenosine system with interest. When that caffeine is dislodged from the receptor, adenosine can act even more potently."