8 immunity nutrients - Vitamins (A, B12, C, D), Zinc, Iron, Copper and Selenium - contributes to the normal function of the immune system It has Phosphorous (which is the building block for normal bone development) and Vitamin D (which helps in normal absorption of Calcium and Phosphorous) It contains Protein (which helps in maintenance and growth of muscle mass), Vitamin B12/B2 (which is essential for maintaining a normal function of the nervous system) and Iodine/Iron (which support normal cognitive functions.