D-mannose is a supplement that may help treat and prevent urinary tract infections (UTIs). It may block the activity of a specific type of bacteria that causes UTIs. D-mannose is a type of simple ...

A D-dimer test checks for certain proteins in the blood to rule out certain clotting disorders. (Photo credit: Science Photo Library/Getty Images) A D-dimer test is a blood test that can be used to ...

This article is based on reporting that features expert sources. “The association between vitamin D deficiency and depressive disorders is well established based on the existing research,” says Dr.

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 is completely different than most other vitamins. In fact, it’s a steroid hormone produced from cholesterol when your skin is exposed to the sun. For this reason, vitamin D is often referred ...

Vitamin D is important for your bones, muscles, nerves, immune system, and more. But if you get too much, it could lead to a rare and possibly serious condition called vitamin D toxicity. You may hear ...

Vitamin D, commonly known as the "sunshine vitamin," is essential for bone health. Many foods like cereals and some milks are fortified with vitamin D. Fatty fish and beef liver are natural sources of ...

Lauren Oster is a contributing writer based in New York City. She covers health and wellness, science and sustainability, lifestyle and culture, and travel. Her work appears in many publications ...

You probably already know that vitamin D helps build and maintain strong bones. You may even know that it's produced in your body when the sun’s ultraviolet B (UVB) rays shine on your skin, as the ...

This feature mentions pregnancy loss, stillbirth, or both. Please read at your own discretion. Dilation and curettage, or D&C, is a procedure that doctors use to remove tissues from the uterus. It has ...

Julia Kagan is a financial/consumer journalist and former senior editor, personal finance, of Investopedia. Andy Smith is a Certified Financial Planner (CFP®), licensed realtor and educator with over ...