Disclosed are nutritional powders comprising HMB and at least one of fat, carbohydrate, protein, wherein the HMB is spray dried with at least a portion of at least one of the fat, protein, and carbohydrate in the composition. Also disclosed is a method for making such powders comprising 1) preparing a liquid slurry comprising HMB and at least one of protein, carbohydrate, and fat, and 2) spray drying the slurry to produce a spray dried nutritional powder comprising spray dried HMB. The nutritional powders exhibit minimal or no off odors.本發明揭示包含HMB以及脂肪、碳水化合物、蛋白質中之至少一者的營養粉末,其中該HMB與該組合物中之該脂肪、蛋白質及碳水化合物中之至少一者的至少一部分一起經噴霧乾燥。本發明亦揭示一種製備該等粉末之方法,其包含1)製備包含HMB以及蛋白質、碳水化合物及脂肪中之至少一者的液體漿料;及2)噴霧乾燥該漿料,以產生包含經噴霧乾燥之HMB的經噴霧乾燥之營養粉末。該等營養粉末展現極小或不展現異味。