Universal Nutrition's Animal Stak is for those with goals to get bigger, stronger, and enhance performance by optimizing their internal hormone synthesis naturally. Loaded with potent herbs, vitamins, minerals, amino acids and powerful patented compounds, each pre-dosed pack of Animal Stak is designed to naturally enhance the testosterone and growth hormone output of hard-training bodybuilders, all the while minimizing the production of estrogen and cortisol—the gain-killing hormones. Stak seeks to naturally boost the anabolic hormones linked to power and mass, but to do so without shady ingredients and gray-market compounds. Non-hormonal, anabolic supplement. Naturally enhances testosterone and growth hormone. Minimizes production of estrogen and cortisol. Helps enhance performance and strength. Loaded with herbs, vitamins, minerals, amino acids, and powerful patented compounds. 21 packs/21 servings. DISCLAIMER: These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease. Keep out of reach of children. Before beginning any program, consult your health care practitioner. Please see the Manufacturers Warning for additional information.