Octacosanol is a natural substance believed to improve energy levels and endurance by sparing of muscle glycogen stores and increasing in the oxidative capacity and is, therefore, often used by athletes.101-104* Unlike wheat germ oil concentrates and other products, which are sold as octacosanol, TwinLab® Octacosanol Plus is derived from spinach, a powerful natural source of octacosanol. Each capsule is standardized and contains other synergistic, long chain alcohols.