Leucine-enriched essential amino acid supplements are highly effective at overcoming anabolic resistance and stimulating muscle protein synthesis, particularly in older adults.

“if you're really trying to target helping someone overcome anabolic resistance from aging, you have to have 40% in the essential amino acid supplement. And when you do that, it has been shown to be way more potent than just like a regular protein powder that does not have that enhanced amount of leu”