Nutricost's HMB and Vitamin D3 Supplement contains 240 capsules for 120 servings. Each serving contains 1000mg of HMB (Beta-Hydroxy Beta-Methylbutyrate) and 100mcg (4000IU) of vitamin d3. Nutricost, located and headquartered in the USA, only uses the best ingredients to ensure maximum quality and to help you feel your best! By keeping our supplement recipes simple and clean, you get the best experience possible with Nutricost. Our supplements are manufactured in a GMP-compliant and FDA-registered facility; and each batch of every product is tested by independent, ISO-accredited laboratories.