Let’s get one thing straight: Muscle is muscle. Despite what many fitness influencers may have you believe, there’s no such thing as "lean muscle" or "bulk muscle." It’s all made from the same stuff.

A new study asked three questions about muscle protein synthesis in response to a nine-day diet and weight training regimen: First, does the source of protein—plant or animal-based—make any difference ...

For years, “lean muscle” has been treated like the gold standard. “Bulking,” on the other hand, sounds extreme, something reserved for bodybuilders or people who want to look intimidating. But that ...