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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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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Non-aspirin Nonsteroidal Anti-inflammatory Drugs (NSAIDs)

Nonsteroidal anti-inflammatory drugs (NSAIDs) are used to reduce inflammation, with notable benefits in increasing survival and reducing risk of several types of cancer; expert consensus is that the risks of harm from using these drugs long-term for prevention are greater than the benefits for many people.

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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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Iodine

As an essential nutrient, iodine is needed for thyroid function, and a deficiency is linked to higher risk of thyroid and stomach cancers. Some evidence shows that treatment with molecular iodine before breast cancer surgery may improve tumor response and reduce some side effects.

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Diindolylmethane

Diindolylmethane (DIM) is created naturally when you digest cruciferous vegetables, and it’s also a nutritional supplement with possible anticancer 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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Astragalus

A natural product commonly used in traditional Chinese medicine herbal mixtures may help to improve quality of life, manage side effects, and treat certain cancers.

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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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