Hydroxymethylbutyrate (HMB) powder, 1 pound, Puriva Nutrition Local pickup, or Nationwide delivery We are a brick-and-mortar retailer and sell/ship directly from our store in North Wales, PA. Ingredients Pure Hydroxymethylbutyrate (HMB) 227 servings per pound (2 grams per serving) Sealed in an economical, no-frills container or bag We never use fillers, binders, flow agents, anti-clumping agents, surfactants, colloids, artificial flavors, artificial colors, or any other additives. Hydroxymethylbutyrate (HMB) Two double-blind studies have shown that a decrease in creatine kinase exists following acute supplementation (15-30 minutes before a workout) of HMB-free acid to about a third of control, and is effective in trained individuals.