"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." ANYONE WHO SPENDS significant time in the gym is probably willing to admit that muscle building isn't ...

Building muscle isn’t just about nailing down a solid leg day and hammering your chest, back, and arms. You need the right fuel to maximize gains. While a solid diet packed with protein, nourishing ...

We spoke with experts to find the most pure and effective creatine supplements. Here's what we recommend, whether you're looking for unflavored, gummy or powder.

Medically reviewed by Allison Herries, RDNMedically reviewed by Allison Herries, RDN Hydroxymethylbutyrate (HMB), a byproduct of the body's leucine metabolism, is essential for protein metabolism, ...

Creatine is a substance naturally produced in the human body. Most creatine goes to your skeletal muscles, where it is then blended with phosphoric acid to produce phosphocreatine. Phosphocreatine ...

A board certified sports dietitian said BCAA, HMB, and beta-alanine supplements aren't necessary for muscle-building. BCAA supplements contain the same amino acids as protein-rich foods, and may be ...