Hi, I am gymimng since 2 months, I am consuming whey protein 2 times in a day, I am thinking of using bcaa, just once during my workout, can bcaa have any side effects if taken just once during or before workout.

Dr. Sajeev KumarGeneral Physician32yrs exp

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It's well established that branched-chain amino acids (particularly leucine) stimulate protein synthesis, and might do so to a greater extent than a normal protein on its own. BCAAs also increase synthesis of the cellular machinery responsible for carrying out the process of protein synthesis. Thus, BCAAs not only increase the rate of protein synthesis, but they also increase the cell's capacity for protein synthesis! Yep, you read that right. BCAAs also work in your favor by reducing the rate of protein breakdown. They do this (primarily) by decreasing the activity of the components of the protein breakdown pathway, and also by decreasing the expression of several complexes involved in protein breakdown. (In this case, they decrease the amount of mRNA produced from the gene that codes for these components.) You can use it after work out.  

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