https://musclesnutrition.com/product/impact bcaa/ BCAAs include three essential amino acids: valine, leucine, and isoleucine — all of which have a branched chemical structure (Trusted Source).
The supplements typically supply twice as much leucine as isoleucine or valine, which is sometimes referred to as a 2:1:1 ratio. This is because leucine may be especially good at stimulating protein synthesis and suppressing the breakdown of muscle protein (1Trusted Source).
However, scientists are still researching whether BCAA supplements offer a measurable advantage for physically active people, compared with whole protein powders and whole food protein sources that contain BCAAs
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