Description Description: HMB is a metabolite of the amino acid leucine; preliminary studies have suggested that HMB has an anti-catabolic effect which prevents hard earned muscle from breaking down.The Inside Scoop: TwinLab's HMB Fuel has 250 mg of real calcium beta-hydroxy beta-methylbutyrate monohydrate (HMB) in each and every capsule.Nutrition Facts: Serving Size (cap) 1 Servings Per Bottle 120 HMB(mg) 250 Ingredient Details: HMB 250mgSuggested Use: Take 4 capsules three times per day with meals. Do not exceed recommended dose.Warnings: Do not use if pregnant or lactating. These statements have not been evaluated by the Food and Drug Administration (FDA). This product is not intended to diagnose, treat, cure or prevent any disease.