What If the Cheapest Supplement in the Gym Is Actually Brain Medicine?

The Habit Healers · Mar 31, 2026 · 18m

In 1994, doctors scanned a boy’s brain and found zero creatine inside it. Not low. Completely absent. He had severe intellectual disability, seizures, and almost no language. That case should have changed how medicine thinks about the $0.12/day powder sitting on every gym shelf. It didn’t. Not for decades.

In this episode, Dr. Laurie Marbas breaks down the science connecting creatine to your brain, not your biceps. You’ll learn why your brain burns 20% of your body’s energy despite being 2% of your weight, how creatine acts as a rapid-response backup battery for neurons, and why the…