Since 1824, doctors have recommended cod liver oil, a potent source of vitamin D, to build strong bones in children who are not exposed to much sunlight. Other dietary sources for this important vitamin
Vitamin D: Are You Getting Enough?
Did you know that the best vitamins in the world are free? While money can buy you foods fortified with Vitamin D, which strengthens bones and curbs depression, getting your daily dose may be as simple as stepping outside.