Boost Original Balanced Nutritional Drinks provide nutritional support for individuals with inadequate oral intake reduced appetite malnutrition general oral supplement needs or supplemental or interim sole source nutrition needs. It contains 10 grams of high-quality protein to help maintain muscle; calcium vitamin D and magnesium to support strong bones and 27 vitamins and minerals (including 8 B vitamins to help covert food to energy). This unique drink is also an excellent source of antioxidants (selenium and vitamins C and E) and features a PREBIO1 blend of prebiotic fibers to help promote the growth of beneficial intestinal bacteria to support digestive health.