Muscle health & energy (Boost High Protein Drink contains 20 g protein for muscle health and 250 nutrient-rich calories with B-vitamins to help convert food to energy). Balanced nutritional drink to help you be your best! Boost nutritional drinks help you get more out of life today and tomorrow with tailored nutrition to help meet your needs. Key Nutrients for Immune Support: Vitamins C & D. Zinc, iron & selenium. Immune Support: Discover key nutrients found in Boost nutritional drinks to help support the immune system. Suitable for lactose intolerance. Not for individuals with galactosemia. Rainforest Alliance Certified: Cocoa. Rainforest Alliance Certified Cocoa.Find out more at ra.org. Certified B Corporation.