· Vitamins C, B3, B6 and B12 contribute to normal energy metabolism, helping to obtain energy from nutrients, and to the normal functioning of the nervous system.· Zinc and selenium contribute to the protection of cells from oxidative damage and to the normal functioning of the immune system, supporting the body’s natural defence mechanisms.· Vitamin C additionally contributes to reducing tiredness and fatigue and to the protection of cells from oxidative damage.· Calcium and magnesium contribute to the normal functioning of muscles and to the maintenance of bones under normal conditions, within an appropriate nutritional context.· Royal jelly provides nutrients of natural origin that complement the formula, within a varied and balanced diet.