People older than 50 years of age need a tailored blend of vitamins and minerals to keep up with the changes that occur in the body from aging. Normally, these vitamins and minerals are obtained through diet, but a physician or dietician can suggest that you take a multivitamin to assist you in meeting your new nutritional requirements.

Calcium is an essential mineral used in the body along with vitamin D to build bones and teeth. Natural aging and menopause contribute to bone loss, which if left untreated could cause bones to become brittle and fracture easily. Osteoporosis can be prevented in some cases by taking calcium supplements along with vitamin D or by increasing your intake of calcium-rich foods such as milk-based dairy products.

The brain needs a stream of nutrients to remain healthy and to prevent diseases such as Alzheimer's. The brain requires these same vitamins no matter what stage you are in life; the sooner you start taking care of your brain the more you reduce your risks of brain problems. B-complex vitamins, in particular vitamins B-1, B-2 and B-3, are especially important in supporting brain health. Antioxidant and fat-soluble vitamin E is needed to reduce the risk of developing Alzheimer's.

As you age, the risk for developing heart disease increases. Making lifestyle changes such as reducing the consumption of saturated and trans fat and stopping smoking can help reduce the risk of heart disease, however certain vitamins can also help. Vitamins B-6 and B-12, and the minerals folic acid and potassium work to reduce the risk of heart disease.

The best multivitamin supplement for people older than 50, according to Consumer Search, is Centrum Silver. Centrum Silver contains no iron and has an increased level of vitamin B-12. If you are taking blood thinners consult with your physician before taking Centrum Silver because it can interfere with these medications.