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What Is High-Dose Vitamin C?

When taken by intravenous (IV) infusion, vitamin C can reach much higher levels in the blood than when it is taken by mouth. Studies suggest that these higher levels of vitamin C may cause the death of cancer cells in the laboratory.

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How Does High-Dose Vitamin C Help Treat Cancer?

High-dose vitamin C has been studied as a treatment for patients with cancer since the 1970s. A Scottish surgeon named Ewan Cameron worked with Nobel Prize-winning chemist Linus Pauling to study the possible benefits of vitamin C therapy in clinical trials of cancer patients in the late 1970s and early 1980's.

Surveys of healthcare practitioners at United States CAM conferences in recent years have shown that high-dose IV vitamin C is frequently given to patients as a treatment for infections, fatigue, and cancers, including breast cancer.

High-Dose Vitamin C Benefits

Is High-Dose Vitamin C Approved by the FDA for Cancer Treatment?

The U.S. Food and Drug Administration (FDA) has not approved the use of high-dose vitamin C as a treatment for cancer or any other medical condition. 

Vitamin C's role in cancer treatment is still under research. Currently, there's insufficient evidence to support it as a primary stand alone cancer treatment.

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