Nutritional energy (Boost original drink is designed to provide nutritional energy with 240 nutrient-rich calories and B-vitamins to help convert food to energy). Immune support: Discover key nutrients found in Boost nutritional drinks to help support the immune system. Boost Nutritional drinks help you get more out of life today and tomorrow with tailored nutrition to help meet your needs. Sealed for freshness. Suitable for lactose intolerance. Balanced nutritional drink to help you be your best!