Essential amino acids refer to the nine amino acids that our body can’t make on its own. Numerous foods, including animal- and plant-based sources, contain all of the essential amino acids. Essential ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." Some of these supplement names are getting out of hand. Protein powder? Easy to understand. Creatine? A ...

Sleep-deprived adults performed better on cognitive tests after taking certain amino acid supplements. Multiple 2025 studies ...

High levels of an amino acid common in concentration supplements may shorten men’s life expectancy, a new study finds, possibly helping explain the life expectancy gap between men and women.

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." Nerd out with me for a sec about why amino supplements matter. They’re the building blocks of protein and ...

As we age, maintaining muscle mass and overall vitality becomes increasingly challenging. Many individuals face the unfortunate reality of muscle loss, which can lead to frailty, decreased mobility, ...

An amino acid found in meat, fish and energy drinks might be a key regulator of aging in animals, a new study suggests. However, experts warn that no one should start seeing Red Bull as a fountain of ...

A study in the National Library of Medicine shows promising research that adding collagen peptides into the diet can lead to various improvements in health. “Supplementing with collagen peptides can ...

Collagen isn’t just one protein; it’s a whole family of proteins. And it’s the most abundant protein in the human body. We need collagen to build cartilage (connective tissue), skin and bones.