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) ...

A new review of studies finds that the type of vitamin D that you take matters. The study looked at vitamin D3 vs. vitamin D2 ...

Medically reviewed by Lindsay Cook, PharmD Key Takeaways Calcium builds and strengthens bones, while vitamin D helps your ...

Everyone knows vitamin D-- it's the nutrient we get from the sun. Vitamin D is important for several bodily functions, the main ones being bone and muscle strength and immune function. Still, about 35 ...

Some supplements are supported by evidence, but they tend to be the less eye-catching ones, such as iron or vitamin D. Many ...

Though it’s rare, a severe vitamin D deficiency can lead to a disease called rickets, also known as osteomalacia. Typically, ...

Everyday Health independently vets all recommended products. If you purchase a featured product, we may be compensated. Learn why you can trust us. Adding vitamin D supplements to your diet can help ...

Vitamin D isn’t just about bone health—its other benefits include supporting your immune system, mood, metabolism, and more. Despite its incredible importance, most people still don’t get enough.

We updated this article in November 2022 to add more information about each featured product, based on extensive research done by our team. Most experts agree that it’s best to get your vitamins and ...

Vitamin D is an essential vitamin, especially for kids. From infancy to the school-aged years, vitamin D plays a critical role in your child’s growth, bone health, immune system, and even mental ...