Centrum Advance 50+ Multivitamins & Minerals, 180 Tablets. This multivitamin is specifically formulated for adults over 50, with adjusted levels of key nutrients to offer tailored nutritional support. It includes vitamin B12 for normal energy-yielding metabolism, vitamin C to support the immune system, and vitamin D and calcium for strong bones. The formula also contains zinc and iron to contribute to normal cognitive function. Centrum is the world's no. 1 multivitamin brand and this product is wheat, lactose, nuts, and gluten-free.