Medically reviewed by Jamie Johnson, RDN If you've recently started taking a new vitamin or supplement, you might wonder how long it takes for vitamins to work​ or when you’ll notice a difference. The ...

Vitamin C may make skin look younger and tackle signs of aging, new research finds. Here, experts explain how it works and how to reap the vitamin’s benefits.

Wrinkles are a natural part of aging, but many people seek ways to reduce their appearance and maintain youthful, healthy-looking skin. While topical treatments like serums and moisturizers can help, ...

Vitamin supplements are absorbed differently depending on their type. This article reviews the best time to take vitamins to promote optimal absorption.

Biotin basics: What a deficiency of the water-soluble vitamin—a nutrient naturally present in food—can do to your hair, skin & nails Biotin promotes the production of keratin, a key protein to ...

Discover essential vitamins A through K, their health benefits, and the best natural food sources to boost your immunity and overall health. Learn how to prevent deficiencies for a healthier life.

Vitamin patches are a cute new way to take supplements. Doctors weigh in on how they work and whether they're more effective than oral supplements.

Vitamin B12, also known as cobalamin, isn’t just a popular supplement marketed to help people lose weight— it’s an essential water-soluble vitamin necessary for brain function, heart health ...

Fat-soluble vitamins like D, E, K and A absorb best when taken with meals containing healthy fats, while water-soluble B vitamins and vitamin C can be taken throughout the day.

Vitamin C Vitamin C, also known as ascorbic acid, is a water-soluble vitamin that has an intense effect on the general well-being.

Vitamin D is a fat-soluble vitamin essential for bone growth and proper functioning of the nerves, muscles, and immune system. It's generally safe to take vitamin C and D together.