Natures Aid one-a-day multi-vitamin and mineral formula, without Iron, for those that would prefer an Iron free formulation. This One-a-day multivitamin is designed to provide the RDA of many of your essential vitamins and minerals including selenium to protect cells against oxidative stress and maintain normal hair and nails; Iodine to support the normal production of thyroid hormones and the normal functioning of the thyroid; Magnesium for normal muscle function and normal energy-yielding metabolism; Vitamin A for normal iron metabolism, the maintenance of normal vision and normal mucous membranes. Available in 60 tablets.