Centrum has been producing multivitamins since ... Older individuals, meanwhile, often need a higher dose of certain vitamins, such as B12 or D. Before taking any multivitamin, check the label ...

One tablet of Centrum Silver, a widely used brand of multivitamins, contains 50 micrograms of vitamin B12 and 5 milligrams of B6. The observational study, in JAMA Network Open, included 75,864 women.