Branched-chain amino acids (BCAAs), include the essential amino acids leucine, isoleucine, and valine. BCAAs differ from other amino acids because they have a branched structure and are the only amino ...

Women's Health may earn commission from the links on this page, but we only feature products we believe in. Why Trust Us? There are about as many performance supplements on the market as there are ...

Let’s start with the basics. The most common muscle-building supplement there is can be found right in your fridge. It’s called protein. When you eat protein, your body breaks the protein down into ...

Of the 20 essential amino acids, nine are actually essential. Of those nine, three are branch-chain amino acids (BCAAs). Leucine falls into both groups. All BCAAS are vital for building and repairing ...

Women's Health may earn commission from the links on this page, but we only feature products we believe in. Why Trust Us? Nerd out with me for a sec about why amino supplements matter. They’re the ...