Optimum Nutrition HMB 1000 contains 1 gram of Hydroxy Methylbutyrate (HMB) per serving. HMB has been shown is numerous studies at the Journal of Applied Physiology to increase strength and Muscle Mass*. *Disclaimer These statements have not been evaluated by Health Canada or the FDA. This product is not intended to diagnose, treat, cure, or prevent any disease. Ingredients Suggested Use Take 1 capsule 3 times daily with protein containing meals. Caution Consult your physician before using this product if you are taking any medications or are under a physician's care for a medical condition, not for use by those under the age of 18 or women that are pregnant, trying to get pregnant, or nursing. Intended for use in healthy adults and as part of a healthy, balanced diet and exercise program. Store in a cool, dry place.