Isoleucine, along with leucine and valine makes up the three branches of BCAAs. So why supplement with just pure isoleucine? What does this amino do that the others don’t? For starters, isoleucine cannot be produced by the body which means we need to get it through our diet or supplements. The biggest role that isoleucine plays is the increase in energy, and endurance, as well as helping grow and repair tissue that has been damaged because of injury or strenuous exercise. When we lift, our muscles tear, and that’s where isoleucine comes in, it gives us the energy needed to lift more weights and then gives the recovery aspect to help these muscles heal and come back bigger and stronger.
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