Common additions include sports ingredients such as creatine, taurine, and vitamin D. Some formulas also list black pepper extract or include delivery systems (for example, liposomal delivery) alongside the HMB.
Labels usually list the total capsule count and the number of servings per bottle. In the examples provided, capsule counts range from about 60 to 240, corresponding to roughly 30 to 120 servings per bottle.
HMB supplements are sold in liquid, capsule, and powder forms.
Many products list 1,000 mg of HMB per serving. Capsule labels commonly show 500 mg per capsule with a two-capsule serving (for example, 60 capsules = 30 servings).
Powder blends list ingredient amounts per serving (for example, 5,000 mg of creatine per serving and a specified HMB amount), while capsules list milligrams per capsule and show total capsules and servings on the bottle.
Product descriptions state HMB can increase protein synthesis, reduce muscle breakdown, and support strength, recovery, and muscle retention when used alongside resistance training.