Medically reviewed by Christopher Lee, MD Key Takeaways High-dose vitamin C supplements do not prevent heart disease and may ...

Decades after early trials seemed to close the book on vitamin C as a cancer treatment, a member of a group of determined researchers is receiving the therapy himself.

High doses of vitamin C could be a new breakthrough in treating cancer. The University of Iowa Health Care Carver College of Medicine has shared results from a randomized, phase 2 trial testing the ...

CINCINNATI (WKRC) - A groundbreaking study suggests that high doses of vitamin C, when combined with standard chemotherapy, may significantly extend the life expectancy of patients with advanced ...

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 ...

Vitamin C has been crowned the ultimate immune-boosting, anti-aging wonder vitamin, leading millions of people to megadose on supplements while slathering high-concentration serums on their faces ...

Some popular supplements can cause serious side effects at high doses or come with certain health risks. Learn which ones to ...

Now that flu season is here, a lot of people are stocking up on vitamin C in hopes of warding off a cold. At the first sign of a sniffle, they start downing mega-doses of the vitamin. Is this really ...

Support your immune system with these RD-approved vitamin C supplements of 2026. From gummies to liposomal formulas, find the ...

Results from a randomized phase 2 clinical trial show that adding high-dose, intravenous (IV) vitamin C to chemotherapy doubles the overall survival of patients with late-stage metastatic pancreatic ...