Royal jelly is one of the most complete supplements, as it contains numerous minerals, vitamins, proteins, essential amino acids, and its most important active ingredient, 10-hydroxydecenoic acid (10-HDA). Its restorative and invigorating properties are helpful for people who need an extra boost. Vitamin A contributes to: normal iron metabolism, maintenance of normal skin, mucous membranes, and vision, and proper functioning of the immune system. Vitamin D contributes to: maintenance of bones, normal muscle function, and proper functioning of the immune system. B vitamins contribute to: reducing tiredness and fatigue (B3, B5, B6, B9, B12), proper functioning of the immune system (B6, B9, B12), normal functioning of the nervous system (B1, B3, B6, B12), and normal intellectual performance (B5). Format: 20 Units