Optimum Nutrition | On Pro-Series Bcaa - 390G-Peach Mango Branch Chain Amino Acids Optimum Nutrition | Caffeine-Free Instantised Bcaas Plus Glutamine, And Botanicals | Optimum Nutrition Pro Bcaa - 390G The Branched Chain Amino Acids Leucine, Isoleucine And Valine Are Valued For Their Anabolic And Anti-Catabolic Properties. Used In The 2:1:1 Ratio Before And/or After Endurance Exercise They May Help Spare Muscle Tissue. Used After Strength Training, Bcaas Help Kick-Start Protein Synthesis Which Plays An Important Role In Muscle Growth. Optimum Nutrition Have Also Included 5 Grams Of L-Glutamine Because This Conditionally Essential Amino Acid May Help Support Recovery After Intense Exercise. Key Features: Caffeine-Free Instantised Bcaas Plus Glutamine, And Botanicals. Great Taste & Mixability. Blend Of Botanical Ingredients 13G Amino Blend | On Pro-Series Bcaa - 390G-Peach Mango