While vitamin C is essential for health, high doses can cause serious side effects. Learn the risks and how to use it safely, based on research.

Vitamin C supports immunity and skin health, but excessive intake can cause kidney stones, iron overload, enamel erosion, ...

Medically reviewed by Kristie Reed, PharmD Vitamin C can help increase the absorption of iron from plant-based sources and ...

Vitamin C enjoys an almost mythical status in the wellness world. From fighting off colds to boosting collagen production, this essential nutrient plays crucial roles throughout the body. However, the ...

Taking vitamin supplements you might not need is not only pointless, but can be dangerous. If you're not deficient in a nutrient, your body can't use it as a supplement, registered nutritionist ...

A study conducted in rats suggests that taking vitamin C may help to counteract the muscle atrophy that is a common side effect of the chemotherapy drug doxorubicin. Although clinical studies would be ...

Vitamin C and zinc are both nutrients that can support your immune system. Taking them together, through diet or supplements, may enhance their effects.

It might seem counterintuitive to use vitamin C as a treatment for hyperpigmentation, which is often a result of acne. On one hand, Dr Hextall thinks vitamin C’s antioxidant properties help protect ...

Vitamin C plays a crucial role in the function of immune cells. Individuals with infections tend to have lower levels of vitamin C. However, research has not found conclusive evidence that taking ...