It's true that vitamin C can give your immune system a boost, but when it comes to treating or preventing colds, things get a ...

Depending on the type, some vitamins and minerals can be taken at any time of day, with or without food, while others require ...

Vitamin C toxicity is rare, but daily doses over 2,000 milligrams may cause unpleasant side effects like digestive issues, headache, and skin flushing.

Are you getting enough vitamin C in your daily diet? Vitamin C, also sometimes referred to as L-ascorbic acid, is a vitamin found in foods such as red peppers, oranges, grapefruits, kiwis, broccoli, ...

Learn which supplement is best for preventing and treating respiratory viruses, how to take them, and side effects to watch ...

Vitamin C doesn’t just belong in skincare products—it works even better when you eat it. Scientists discovered that vitamin C ...

Medically reviewed by Susan Bard, MD Use vitamin C in the morning and retinol at night to avoid skin irritation.Vitamin C protects against photodamage and should be applied before applying ...

Discover the best dietitian-recommended vitamin C supplements ideal for boosting immunity, supporting skin health, and ...

A prolonged vitamin C deficiency can cause severe and potentially life threatening symptoms. Eating a variety of fruits and vegetables can help maintain optimal levels of this important nutrient.

A new discovery at the University of Missouri reveals that vitamin C may help protect reproductive health from a harmful ...

All products featured on Glamour are independently selected by Glamour editors. However, when you buy something through our retail links, Condé Nast may earn an affiliate commission. “I usually ...

Adding a serum to your skin care routine is an easy way to target aging skin care concerns, and there's one serum ingredient that reins supreme — vitamin C. Serums infused with vitamin C are true ...