Mega Power Pak is a proprietary blend of: American ginseng, Calcium Pyruvate, Ci Wu Jia, Creatine Ethyl Ester, Dong Chong Xia, Inosine, L-Arginine AKG, L-Carnitine, Mullein Leaf Powder, N.N-Dimethylglycine, Radix Asteris. Mega Power Pak paste is more powerful than ever – packed with concentrated performance ingredients to give your horse the boost he needs. Mega Power Pak will not test and can be used on event day. Administer 1 tube directly from syringe within 6 hours of exercise. 110cc single dose oral syringe.