Suggested iron intakes drop by more than half after menopause, which in many women starts around age 51. Iron is found in foods such as meat, poultry, fish and fortified grains. 4. Vitamin D. You don’t need more, or less, vitamin D after age 50, but this nutrient is worth talking about because many people do not get the required amount at any Vitamins A, C and E support healthy eyes.(12)(2) Biotin, beta carotene, vitamins A, C and E help maintain healthy appearance.(12)(3) A combination of vitamin D and calcium helps maintain strong bones.(12)(5) Zinc and vitamins A, C, and D3 to support immune health.(12)(12)This statement has not been evaluated by the Food and Drug Administration. While folic acid is important for everyone, it’s especially important for women who are pregnant or plan to become pregnant. During early development in pregnancy, folic acid helps form the brain and spine in the embryo. According to the CDC, all women of reproductive age should get the recommended amount of folic acid each day. Niacin, also known as vitamin B3 is important to your energy levels because it helps turn the food you eat into energy. Niacin also helps support heart health. 4. Vitamin B12 is necessary for creating red blood cells, for nerve function, and for making DNA. 5 Vitamin B12 plays an important role in converting proteins, fats, and carbohydrates How long to take it for. For adults, if you're taking a loading dose for severe vitamin D deficiency you'll usually take it daily or weekly for 6 to 10 weeks. To maintain your vitamin D levels or prevent deficiency you'll usually take colecalciferol long term. Children with severe vitamin D deficiency usually take a loading dose for 8 to 12 weeks. The body creates vitamin D from direct sunlight on the skin when outdoors. But between October and early March we do not make enough vitamin D from sunlight. Read more about vitamin D and sunlight. Vitamin D is also found in a small number of foods. Sources include: oily fish – such as salmon, sardines, herring and mackerel; red meat; liver This decreases the potency of the vitamin if it is used as a vitamin supplement. Summary: 1. Vitamin D is manufactured by both plants and animals. Vitamin D3 is particularly found on the skin of animals, as a byproduct of synthesis. 2. Vitamin D is not beneficial in all its forms. Vitamin D2, one of the forms of vitamin D can be toxic to the body. Centrum claims this multivitamin can support energy, immunity, metabolism, and muscle function. (200% DV), vitamin D3 25 mcg (125% DV), vitamin E 22.5 mg (150% DV) , vitamin It contains NI8u3.