If you do take a supplement, take it between meals. Calcium can hinder the absorption of iron from other foods. Yes, food can provide an adequate diet and the pleasures of eating too. But for those who are unable or unwilling to eat a healthy diet a multivitamin and mineral supplement is a good way to get all the needed vitamins and minerals. The guideline is to get enough without getting too much.
Physicians regularly prescribe supplements for certain health conditions.
It is not a good idea to take mega-doses without first discussing it with your physician. Beware of supplements that claim to be magic or promise miracle cures. Taking unproven remedies in place of well-proven treatments could make your health worse in the long run. Vitamin D protects against bone disease by helping deposit calcium into bones. Known as the sunshine vitamin, it is made within the skin by exposure to the sun's ultraviolet rays.