Vitamin D

Vitamin D is a hormone created by the body when skin is exposed to ultraviolet rays in sunlight. It is found naturally in a small number of foods and can also be taken as a fat soluble dietary supplement.

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Quercetin

Quercetin, found in many plant-based foods and available as a supplement, is linked to improved body terrain, and especially lower inflammation.

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Metformin

Metformin, used to manage diabetes, shows some benefits in lower risks of cancer and better survival, mostly among people with diabetes or high blood sugar.

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Low-dose Naltrexone

This prescription drug is used off-label in low doses to treat people with cancer, with notable but very preliminary successes in cases where the cancers were difficult-to-treat or quite advanced.

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Berberine

Berberine, an active ingredient in several plants, shows good effects in managing high blood sugar and excess body weight, plus lower risk of colorectal cancer.

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Artesunate and Artemisinin-based Drugs

Prescription drugs derived from the Artemisia annua plant show very limited benefit in improving cancer treatment outcomes.

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