Quando os dias ficam mais curtos e o Sol se põe mais cedo, aquela familiar sensação de desânimo invernal se instala. Há uma razão fundamental para essa fadiga sazonal: baixos níveis de vitamina D – a ...

Most of us know that vitamin D builds strong, healthy bones and teeth, and some of us know that it has other health benefits, from protecting against serious diseases to supporting our immune system.

Vitamin C has long been considered a powerhouse nutrient that can support your immune system. But this popular vitamin also plays a role in wound healing and the ability to absorb iron, making it a ...

But why should you care about vitamin D in the first place? “Vitamin D is a fat-soluble vitamin (that functions more like a hormone in the body) found in foods and produced endogenously when ...

Fruits that come with an orange, yellow or red color are usually advertising they’re full of vitamin A, a nutrient the whole body uses to stay healthy. Vitamin A is an antioxidant that fights ...

If you're one of the almost 25% of people in the U.S. who are low on vitamin D, your food choices could have a big impact. It's hard to get enough vitamin D from food alone, but combining it with ...

Vitamin D is essential for bone health, immune function and overall wellbeing. And it becomes even more crucial as we age. New guidelines from the international Endocrine Society recommend people aged ...

You may have heard that using niacinamide and vitamin C together raises some safety concerns. Both ingredients boast brightening, smoothing, and antioxidant benefits—but do they belong in the same ...

This article is a part of CNN Underscored’s Guide to Age-Defying Beauty, a weeklong focus on the essential products, tips and tricks to enhance your glow at any age. We’ll be featuring editor-tested ...

We may earn commission from links on this page, but we only recommend products we love. Promise. Ready for a short story? I thought I was doomed to have dull, zombie-looking skin until I discovered my ...

We may earn commission from links on this page, but we only recommend products we love. Promise. There's been no better time to be really, really into your skincare routine, with more active ...