New York Post may be compensated and/or receive an affiliate commission if you click or buy through our links. Featured pricing is subject to change. Many people don’t know what vitamin D does or why ...

Ritual is a vitamin subscription service. It sells products with simple, traceable ingredients, including this multivitamin designed for women ages 18 and over. Each serving contains 50 mcg (2,000 IU) ...

Vitamin D deficiency is associated with cancer, cardiovascular disease, and osteoporosis, but clinical trials of vitamin D supplements have yielded mixed results. A new study that found links between ...