FREE SCIENCE-BACKED GUIDE
How Muscle Boosts Your Brain
A free science-backed brain health guide from Austin Perlmutter, MD
Your muscle talks to your brain. Get the free, science-backed guide to training, nutrition & supplements that protect your mind.
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MD-authored
NYT bestselling author
Backed by peer-reviewed studies
Read by millions
Free — no card needed
BY THE NUMBERS
Your muscle talks to your brain. The research now shows exactly how.
42%
reduction in dementia risk linked to regular resistance training in long-term studies.
300+
peer-reviewed studies connecting muscle strength to cognitive resilience.
100s
myokines released by muscles Some cross into brain tissue.
2–4
strength sessions per week shown to meaningfully shift long-term brain health.
THE SCIENCE
Muscle may be one of the most underrated tools we have for protecting the brain.
Both the brain and our skeletal muscle tend to age faster than the rest of the body — and the two are more connected than we ever realized. As muscle declines, research links it to higher risk of cognitive decline, depression, and dementia. But the relationship runs both ways: building and maintaining muscle appears to feed the brain through better blood-sugar control, lower inflammation, and a surge of neuroplasticity-boosting molecules like BDNF. This guide makes that science accessible — and turns it into steps you can act on this week.
"One of the most important ways to improve your brain health is by prioritizing muscle."
Austin Perlmutter, MD
INSIDE THE FREE GUIDE
How muscle protects the brain — and a practical plan to build it.
Plain-language research across three pathways, plus a build-out of training, nutrition, and supplements.
01
The Muscle–Brain Connection
Why skeletal muscle and the brain age together — and what that means for your long-term cognitive health.
02
Pathway One: Metabolism
How building muscle improves blood-sugar control and lowers inflammation throughout the body.
03
Pathway Two: Immunity
How myokines released by working muscle calm chronic inflammation linked to depression and dementia.
04
Pathway Three: Neuroplasticity
Why building muscle triggers a surge of BDNF — the molecule that drives new neurons and connections.
05
How to Build Muscle
A simple strength-training approach — how often, how hard, and how to progress safely.
06
Nutrition & Protein
How much protein you actually need, and simple ways to fuel muscle growth and recovery.
07
Supplements That Support Muscle
Which supplements have real evidence behind them for supporting muscle and brain health.
Still reading? Grab the free guide before you go.
Get the Guide →MORE THAN A WORKOUT PLAN
A science-backed, sustainable approach to muscle — for the brain.
Grounded in Research
Every recommendation is backed by peer-reviewed neuroscience, not fitness trends.
Strength Not Bodybuilding
This isn't about building a physique — it's about building the muscle your brain depends on.
A Complete Blueprint
Training, nutrition, and supplements — combined into one clear, step-by-step plan.
MEET THE AUTHOR
Austin Perlmutter, MD
Austin Perlmutter, MD is a physician, brain health researcher, New York Times bestselling author, and educator focused on helping people understand the science of brain health, nutrition, exercise, and behavior change. He is the co-author of Brain Wash with David Perlmutter, MD.
His work has been featured across major media and read by millions, with a focus on translating complex science into practical steps for a healthier brain.
Physician (MD)
Brain Health Researcher
NYT Bestselling Author
Co-author of Brain Wash
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Medical disclaimer: Statements in this guide have not been evaluated by the FDA and are not intended to diagnose, treat, cure, or prevent disease. Always consult your healthcare provider for individual recommendations before making changes to your diet.