As with any supplement, quality far outweighs quantity! Choose a multivitamin supplement that ranks as an effective nutritional supplement and invest wisely in your health. Active women in their fertile stage of life require daily vitamin B, iron, vitamin C, magnesium and daily antioxidants such as pycnogenol, resveratrol or ubiquinol. One has to balance out the needs of an active lifestyle while replacing nutrients lost during the monthly cycle. Many women in this stage of life are battling with digestive problems which require fibre and probiotics. Your daily supplement should contain a minimum of: 500mg Calcium 10mg Iron 400ug Folate 500IU Vitamin D3 1000mg Vitamin C.