Spartan Sport Sciences Pro Isolate is rich in protein that boosts metabolism & increases muscle growth. It is the purest whey protein that absorbs fast in the body. Pro Isolate Has 28 grams of Rich Protein It includes BCAA, Glutamic acid that strengthens your muscles, improves athletic performance & reduces fatigue. The Essential Amino acids present in it, help to enhance muscle performance, supports the immune system, regulate digestion & maintain a healthy lifestyle.