Medically reviewed by Violetta Shamilova, PharmD More than 50% of adults in the United States use dietary supplements. However, supplements aren't regulated like medications, so it is essential to be ...

Vitamin D is crucial for bone health and immunity, obtainable through sunlight and diet. Supplements, however, can lead to ...

Vitamin D supplements are generally in your system after 4 to 12 weeks. Learn more about the importance of consistent ...

Women between ages of 30 and 70 need about 600 international units, and once they're over 70, that number goes up to about ...

When the sun is out, your body can potentially make its own vitamin D, but it still may make sense to continue with ...

Like the citrus fruit it comes from, lemon juice provides many vitamins, antioxidants, and other nutrients. Here are several ...

When you notice hair loss, you may want to look into these vitamins and make sure you're getting enough of them in your diet.

The Recommended Dietary Allowance (RDA) for vitamin C depends on a handful of factors, including age and sex (for adults): 19 years and older: 90 mg for men, 75 mg for women (85 mg when pregnant and ...

If you take vitamin C supplements, you may want to take a closer look at your dosage. Some people are overdoing it thanks to sketchy advice they’re seeing online, and developing uncomfortable side ...

Eating More of This Vitamin Could Protect Against Kidney Stones, Scientists Say Consuming foods high in niacin could lower your risk of developing kidney stones by 22 percent.

Eating More of This Vitamin May Lower Kidney Stone Risk by 22%, New Study Suggests New data shows a potential link between niacin intake and kidney stone risk.