Vitamin D3 increases calcium absorption, while vitamin K2 activates the proteins that help bind that calcium into bone. Taking vitamins D3 and K2 together may support stronger bones and healthier bone ...

Vitamin D is essential for the body and brain to function properly. However, about 42% of Americans experience vitamin D deficiency. Some habits can help increase vitamin D levels and improve health.

Retinol rebuilds, and vitamin C defends.

Supplement stacking for skin health? Find out if combining collagen and vitamin C is worth the hype.

Years after topping the charts, this '90s pop star found a surprising way to leave her mark on the music industry.

A new study found that older adults with higher vitamin C levels in their blood had more gray matter — a type of brain tissue linked to memory and cognition. Older Japanese adults with more vitamin C ...

Linus Pauling was one of the most brilliant scientists of the 20th century. He won two Nobel prizes and transformed our understanding of chemical bonds and the structure of proteins. Late in his ...

When Garry Buettner, PhD, who has been studying the chemistry and biochemistry of vitamin C for at least four decades, was diagnosed with myelodysplastic syndromes (MDS), he applied his research to ...

If you’ve spent even five minutes on skincare TikTok or fallen into a r/SkincareAddiction rabbit hole, chances are you’ve heard about vitamin C. It’s easily one of the most talked-about skincare ...

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 ...

Want glowing skin? An iron-clad immune system? Better cardiovascular health? Experts will steer your toward vitamin C—more specifically, liposomal vitamin C. “Oral vitamin C (from supplements or food) ...