Vitamin C: Oral Use

Vitamin C, available in several foods and dietary supplements, shows some anticancer effects, including better survival among people with breast cancer.

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Turkey Tail Mushroom

Extracts of turkey tail mushroom and its constituent PSK are used with conventional cancer treatment to improve survival and reduce risk of recurrence. The constituent PSP shows some benefit for pain, appetite, and percentage of body fat.

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Turmeric and Curcumin

Turmeric, with the active component curcumin, is both a food and dietary supplement that may promote a better immune response and blood sugar levels, and may also help you manage some side effects.

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Mistletoe

Extracts from this woody plant are injected or infused for cancer treatment, often reducing side effects and improving quality of life, and perhaps improving survival.

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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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Mediterranean Diet

A Mediterranean diet is high in vegetables, fruits, whole grains, and olive oil and low in meat, sweets, and saturated fat. It is linked to lower risks of cancer and relief of some symptoms and imbalances common among people with cancer.

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Fasting or Calorie Restriction

Calorie restriction and fasting, whether for 12 or more hours every night or occasionally for longer periods, can contribute to lower body weight, blood sugar, and insulin resistance, plus fewer unpleasant chemotherapy-related side effects.

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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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Aspirin

Aspirin is a widely available over-the-counter medication that shows substantial effects at promoting survival and reducing risk of many types of cancer, plus reducing inflammation and managing pain due to inflammation.

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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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