Symptoms of a vitamin C deficiency include weakness, bruising, and dry skin. Learn more about the warning signs and how to ...

Vitamin C may be best known for its immune-boosting powers, helping you fight off colds, control infections, and heal wounds, ...

How vitamin C supports brain function. Vitamin C crosses the blood-brain barrier and concentrates in brain tissue at levels 10 times higher than in blood plasma.

Your skin protects your body from germs and other environmental hazards, but it gets weaker over time. That changes its appearance, leading to visible signs of aging, like wrinkles and fine lines.

Vitamin C enhances the production, function, and movement of WBCs, helping them locate and destroy harmful bacteria and viruses. Research published in the Journal of Leukocyte Biology suggests ...

Vitamin C: The collagen-building powerhouse. ... Beyond its protective function, vitamin C plays an essential role in collagen synthesis, the protein that provides structure and firmness to your skin.

Perhaps best known as a immune-system boost or antidote to scurvy, vitamin C has been found to rejuvenate aging skin by reactivating genes responsible for cell growth. By promoting DNA demethylation, ...

Vitamin C and D supplements are generally safe to take together. Taking both supplements may also enhance health benefits, such as immune function.

All of our experts recommend Skinceuticals CE Ferulic, a serum containing 15% L-ascorbic acid. It’s often referred to as the gold standard in vitamin C serums by dermatologists.