Nutritional energy (Boost original drink is designed to provide nutritional energy with 240 nutrients-rich calories and B-vitamins to help convert food to energy). 27 vitamins & minerals. Balanced nutritional drink to help you be your best! Boost nutritional drinks help you get more out of life today and tomorrow with a tailored nutrition to help meet your needs. Key nutrients for immune support - Vitamin C & D, Zinc, iron, & selenium. Vitamins. Protein. Minerals. Immune Support - Discover key nutrients found in Boost nutritional drinks to helps support the immune systems. Suitable for lactose intolerance.