In bodybuilding circles, the term “Amino acids” is often thrown around casually. Most bodybuilders know it has to do with protein. And some know if from that green syrup you can sip after workouts. But what are they, and how are they the building blocks for everything muscle?

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Q: Okay, I am thinking of trying HMB because someone I trust recommended it. I'd like to get a little more info on it though before I do. I read on the boards that some people swear by it and some people hate it and think it's useless. Worth trying?

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