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

Taking Vitamin C and calcium together improves gut calcium absorption and may also enhance bone and immune system health.

Topical vitamin C and retinol both provide anti-aging benefits to your skin, and combining them may compound their effects, but may cause irritation.

Some research suggests that vitamin C supplements may benefit people with type 2 diabetes, but more studies are needed to understand the effects and recommended dosage. Vitamin C (L-ascorbic acid) is ...

Air pollution, particularly fine particulate matter (PM2.5), poses a major threat to our lungs, leading to health issues like ...

Vitamin C is vital to immune function and the maintenance of bone, skin, teeth, and joints. Learn more about its wide range of health benefits.

Large doses of vitamin C may provide our lungs with a degree of protection from the harmful effects of fine particles in the ...

Scientists at Children's Medical Center Research Institute at UT Southwestern (CRI) have discovered a benefit of vitamin C ...

Learn how skin vitamin C levels are closely tied to levels of the vitamin in the blood, and can be boosted by increasing fruit intake, improving collagen production.

Medically reviewed by Kristie Reed, PharmD Vitamin C can help increase the absorption of iron from plant-based sources and supplements.Iron can lower your risk of anemia, while vitamin C supports your ...