One serving of the supplement is equivalent to 300 grams, and it provides your muscles with the perfect blend of rich quality protein and complex carbohydrates to help you build lean muscle mass. With the punch of 70 grams of protein blended with 4 grams of glutamine and 3 grams of creatine, the gold standard series gainer by Muscle Trail is aimed at keeping your body active and assisting you in building some serious muscles. The supplement is manufactured in an FDA-inspected and GMP-certified facility which ensures that all the ingredients that are utilized in the formation of the supplement are of high quality and are completely safe to consume. In addition to this, it should be noted that the ingredients are added in therapeutic doses as per the recommended amount by the regulating bodies. The product is free from banned substances and is proven effective in lean muscle gaining.