The answer may surprise you.

It might be more than you think.

To build muscle mass, you need around 0.5–0.9 grams of protein per pound of body weight per day. Here's why and other factors ...

Arnold Schwarzenegger has a message for anyone just going through the motions at the gym. The six-time Mr. Olympia is ...

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

Learn how combining creatine and BCAAs can boost your workout energy, speed up muscle repair, and help you reach your fitness ...

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

Scientists have discovered how exercise protects aging muscles by suppressing DEAF1, a molecule they identified as a driver ...

Scientists at Duke-NUS Medical School have uncovered how exercise helps aging muscles regain their ability to repair ...

We all want to know if and how we can come back to form after injury, illness, or a long hiatus. Muscles adapt in response to the environment: They grow when we put in the work and shrink when we stop ...