Vitamin deficiencies can give you a variety of symptoms that many people find perplexing, or may think are just part of everyday life. However, once on a vitamin regimen, many people see that many of these symptoms go away.
- Dry skin, night blindness, bone and teeth deformities, and dry eyes are all signs of a possible Vitamin A deficiency. There is a USRDA, or U.S. recommended daily allowance, of 5,000 I.U. for Vitamin A.
- Vitamin D deficiencies can be shown manifesting in the conditions of rickets or osteoporosis. A good Vitamin D supplement can help. Vitamin D has a 400 I.U. recommended daily allowance.
- Weight loss, teeth and gum problems, and the health condition scurvy are all signs that point to a Vitamin C deficiency. A good supplement for Vitamin C can help. The U.S. recommended daily recommendation for Vitamin C is 160 mg.
- Vitamin B deficiencies can show signs of anemia, skin problems, and the health condition beri-beri. Taking a B-complex supplement can help combat any Vitamin B deficiency. There are different U.S. recommended daily allowances of the B vitamins. B1 has 1.5 mg as its recommended allowance, while B2 has 1.7 mg, B6 has 2 mg, and B12 has 6 mcg as the recommended daily allowance.
- Blood clotting problems can be a sign of a Vitamin K deficiency in the body. There is no USRDA for Vitamin K.
- Sterility may be due to a lack of Vitamin E in the body. There is a USRDA of 30 I.U. for Vitamin E.
“[M]ost people do not consume an optimal amount of all vitamins by diet alone. Pending strong evidence of effectiveness from randomized trials, it appears prudent for all adults to take vitamin supplements.”