Changes in your skin, hair, or nails can indicate a vitamin deficiency. And many common symptoms, such as weakness or an upset stomach, can also be symptoms of vitamin deficiency. Don’t ignore these symptoms if you have them. See your doctor if you feel sick, and even during a regular checkup be sure to tell your doctor about any recent changes in your diet (if you have stopped eating meat, for example, or if you are trying to cut down on salt). Some specific medical problems are associated with not getting enough of specific vitamins. If your diet doesn’t include enough vitamin A, you may be more vulnerable to infections and to vision problems. Not getting enough vitamin C? You are more vulnerable to infections. If you don’t get enough vitamin D, you may be increasing your risk for osteoporosis, especially if you are a woman.
In general, adults age 50 years and older need more vitamin D than younger people to maintain adequate calcium as their bones become more brittle.
Be sure to talk to your doctor if you want to take a multivitamin or other vitamin supplements. Supplements can help ensure that you get the recommended daily supply of vitamins and minerals, but if you don’t want one more pill to take, just be sure to include plenty of vitamin-rich foods in your diet.
For example, foods high in vitamin A and vitamin D include whole milk (or skim milk that has vitamin A added), meat, (especially liver), cheese, eggs, and fish oils. Foods high in vitamin C include citrus fruits, berries and juices. If you prefer juice, choose 100% juices with no added sugar.