Mega Daily One Plus is an advanced vitamin and mineral formula containing 25 active ingredients. High content of vitamin B complex and vitamin C with the addition of essential minerals such as magnesium, selenium and zinc. Vitamin C contributes to the proper functioning of the immune and nervous systems, as well as to the reduction of body fatigue and tiredness. It also supports the maintenance of proper immune system functions. Vitamin D supports the maintenance of proper muscle and immune system functions. It also improves the body's absorption and use of calcium and phosphorus. Zinc has a positive effect on fertility, reproduction and maintaining the appropriate level of testosterone in the blood, and also improves the metabolism of macronutrients. Magnesium plays an important role in the functioning of the nervous system, especially in neurotransmission and during muscle contraction (including the heart muscle), and also participates in protein synthesis and keeping bones and teeth in good condition. Selenium is involved in spermatogenesis and maintains the balance of thyroid hormones. Its level also affects the condition of hair and nails.