How Much Do You Know About Vitamin D?
See how you do on this quick quiz: True or false: 1. For bone and muscle strength, vitamin D is as vital as calcium. 2. Cod liver oil is your best source of D. 3. Two cups of milk supply all the vitamin D you need daily. 4. Yogurt is also a good source. 5. The latitude you live in can make you deficient in D. Answers: 1. True. Without vitamin D, you cannot absorb calcium. 2. False. Its very high in D, but poses health problems. 3. True, but only if you are under 50. Milk in the U.S. is fortified with 100 IU of vitamin D per cup and is the primary dietary source. 4. False. Yogurt and cottage cheese are not made from fortified milk. They have no D. 5. True. In Canada and the northern U.S., there isnt enough sun in the winter months to stimulate human skin to manufacture D. The Hormone Your Bones Need First, a few basics. The current recommended intake of vitamin D is 200 IU (international units) for those under 50; 400 IU for people aged 50 to 70; and 600 IU for those 70 and older. Unlik
