When people hear the word creatine, they often think of bulky gym bros chugging powder to build muscle. But creatine is so much more than just a bodybuilding supplement. Today, a growing number of experts, including Dr. Daniel Amen (brain health psychiatrist) and Dr. Peter Attia (longevity and performance physician), are highlighting creatine as one of the most powerful, safest, and well-researched supplements not just for physical strength, but also for brain function, cellular energy, and healthy aging.
Let’s dive into what creatine actually does and why it should be part of your daily routine — whether you’re an athlete, entrepreneur, student, or simply someone who wants to optimize their health.
What Is Creatine?
Creatine is a naturally occurring compound found in the body — mostly stored in muscles, but also in the brain. It’s made from three amino acids: arginine, glycine, and methionine.
Your body produces creatine on its own and you also get small amounts from foods like red meat and fish.
But here’s the catch: the average person doesn’t consume or produce enough creatine to experience its full benefits, especially for cognitive function, performance, and longevity. That’s why supplementing with creatine monohydrate — the most studied and effective form — has become a top-tier recommendation from leading experts.
Creatine for the Brain: Focus, Mood, and Mental Energy
Dr. Daniel Amen, a world-renowned brain health expert, points out that creatine is not just a muscle supplement — it’s a brain supplement. The brain is the second-largest consumer of creatine in the body, using it to support neuronal energy metabolism, mental clarity, and memory.
Here’s how creatine supports brain health:
✅ Improves mental energy and cognitive performance
✅ Enhances memory and processing speed, especially under stress
✅ Supports mood regulation, particularly in people with depression
✅ Helps buffer neurological fatigue and age-related brain decline
In fact, studies have shown that vegetarians and vegans (who tend to have lower creatine intake) often experience significant cognitive improvement when they begin supplementing.
Dr. Amen includes creatine in brain optimization protocols for patients suffering from brain fog, fatigue, and even trauma-related conditions.
Creatine for Muscles: More Than Just Gains
Dr. Peter Attia often refers to muscle as the “organ of longevity”, and creatine is one of the simplest tools for maintaining strong, functional muscle as you age.
Here’s how creatine helps your body:
✅ Increases ATP production — your body’s main energy molecule
✅ Boosts muscle strength and power output
✅ Aids in muscle recovery and reduces fatigue
✅ Supports lean muscle preservation during calorie restriction or aging
For those over 40, maintaining muscle mass becomes increasingly important not just for appearance, but for metabolic health, insulin sensitivity, and fall prevention. Creatine supplementation provides a safe, inexpensive, and evidence-based solution to support muscle health — even if you don’t work out daily.
Other Powerful Benefits of Creatine
Emerging research now links creatine to several other longevity-enhancing effects:
- Improved bone health when paired with resistance training
- Better blood sugar regulation
- May support heart health and mitochondrial function
- Can reduce oxidative stress and inflammation
Plus, creatine has one of the safest profiles in all of sports and nutrition science — with over 1,000 studies validating its effectiveness and minimal side effects, even with long-term use.
What Dr. Attia and Dr. Amen Recommend
Both Dr. Attia and Dr. Amen recommend creatine monohydrate, typically at a dose of 5 grams per day. For most people, no loading phase is needed — just consistent daily use. You can mix it with water, coffee, or a smoothie.
It’s tasteless, affordable, and doesn’t require cycling or timing — making it one of the easiest habits to build into your health routine.
Final Thoughts: A Smart Move for Mind and Muscle
Creatine is no longer just a supplement for athletes. It’s a daily essential for anyone who wants to support brain performance, energy production, muscle strength, and healthy aging.
In the words of Dr. Attia: “If I could only take a handful of supplements for the rest of my life, creatine would absolutely be on that list.”
Whether you’re fasting, lifting, studying, or simply living intentionally, creatine is one of the smartest investments you can make in your long-term vitality — for both mind and body.