Leucine is the amino acid that signals your muscles to start repairing and growing. Here’s why it matters.

Follow these four trainer tips to optimize the process.

Building muscle has serious perks.

Some of the best muscle-building foods include protein-rich chicken, salmon, and lentils. You can pair dietary changes with strength training for maximum gains.

“They increase the quality of the muscle you build as opposed to just the size of the actual muscle.” ...

Challenging the belief that animal protein is the superior type for building muscle, scientists have shown that there is actually no difference in eating meat and dairy or plant sources following a ...

Some workouts leave you buzzing, muscles pumping, and energy on high. Others leave you wondering if you made any progress at all. The difference often comes down to more than just the weight on the ...

This is read by an automated voice. Please report any issues or inconsistencies here. When you walk into a gym, you’ll see lifters meticulously counting sets, tracking reps and stacking plates. But ...

What's a typical rate of muscle gain? Every body responds a little differently to strength training, so the short answer is “it depends." One review of research on how resistance training impacts ...

Merve Ceylan is a dietitian and health writer with four years of experience writing for companies in the nutrition and health industry. Nick Blackmer is a librarian, fact-checker, and researcher with ...