Barihmb is a dietary supplement based on HMB, creatine, vitamin D, and magnesium. It also includes sweetener. After bariatric surgery, muscle mass may decrease, leading to reduced function. Certain nutrients can help prevent and/or reverse this situation. BariHMB has been formulated with: HMB (beta-hydroxy-beta-methylbutyrate) is a natural compound derived from L-leucine that the body uses for protein synthesis at the muscle level. Creatine is a natural nutrient that promotes increased muscle mass. Vitamin D is a fat-soluble vitamin that plays a fundamental role in muscle, as it promotes protein synthesis and thus proper muscle development and function. Magnesium is a mineral that promotes proper protein synthesis. Instructions for use Dissolve the contents of one measuring spoon (6 g) in 200 ml of water.