HMB Fuel 250mg 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.HMB Fuel 250mg The Inside Scoop: TwinLab's HMB Fuel has 250 mg of real calcium beta-hydroxy beta-methylbutyrate monohydrate (HMB) in each and every capsule.HMB Fuel 250mg Nutrition Facts: Serving Size (cap) 1 Servings Per Bottle 240 HMB(mg) 250 HMB Fuel 250mg Ingredient Details: HMB 250mgHMB Fuel 250mg Suggested Use: Take 4 capsules three times per day with meals. Do not exceed recommended dose.HMB Fuel 250mg 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.