There is no official standard
As for nootropic/pre-workout purposes, it has more promise
Important Info: Ingredients: Acetyl L-Carnitine, L-Glutamine, L-Glutathione Tripeptides (Reduced, 2 Formulations), Alpha Lipoic Acid (R-Fraction), Ascorbic Acid, Proprietary Herbal Extracts, Panax Notoginseng Extract and Rosa Roxburghii Extract and Natural Minerals in Ultra-Pure Deionized Water
Within the mitochondria 2-methyl acyl-CoA racemase induces -oxidation of branched chain fatty acids and fatty acid derivatives by catalyzing the conversion of several (2 R ) methyl-branched chain fatty acid acyl-CoA molecules to the ( S ) stereoisomer
Available at: Accessed January 22, 2019, 2019
Helps increase energy and stamina during physical activity