Essential Amino Acids: benefits by goal, the dosage that worked, and the supplements ranked

Thomas DeLauer, 30 Oct 2026: Stopped having essential amino acids (EAAs) during his workouts because leucine can spike insulin, making it harder to drop fat without noticeable muscle preservation. He now only uses EAAs for long-duration activities like rucking or mountaineering. Source

Ben Greenfield, 29 Oct 2026: Emphasizes the importance of essential amino acids, especially leucine-rich ones, for muscle protein synthesis and to blunt muscle loss during bed rest and after surgery, citing NASA bed rest studies. Source

Dr. Rhonda Patrick, 30 Sep 2026: States that essential amino acids, particularly leucine, are major regulators of muscle protein synthesis and are very important. Source

Dave Asprey, 4 Sep 2026: Recommends essential amino acids as building blocks the body uses to build and repair muscle, suggesting they work like a multivitamin. Source

Peter Attia, 5 Jul 2026: Emphasizes the importance of getting essential amino acids, particularly leucine, for triggering muscle protein synthesis. Source

Siim Land, 18 Aug 2019, a caution: Warns that BCAAs, essential amino acids, and all other proteins will break a fast and stop autophagy, affecting nutrient signaling and making one more prone to muscle catabolism during dieting. Source

What they said, newest first, one statement each.