Klean Antioxidant™ provides antioxidants to act as a strong defense against free radicals that can disrupt normal metabolic activity and cause damage in the body. The special antioxidant blend including astaxanthin, maqui fruit and vitamin C along with the patented combination of acetyl-L-carnitine and alpha lipoic acid guard against cellular damage, which can occur during intense physical training. Klean Antioxidant™ also contains the B vitamin biotin.