Natural products (excluding registered drugs)
Shark cartilage is a popular anti-cancer remedy, which is obtained from the cartilage of mainly two shark species.
Propagermanium is an organic germanium compound. Germanium compounds are popular as nutritional supplements.
Vitamin E is fat-soluble and can be found in a wealth of food sources, e.g., green leafy vegetables, whole grains, nuts and seeds, wheat germ, eggs, and in plant oils (especially oils derived from safflower, sunflower, cottonseed, and palm).
Glyconutrients have not been shown to treat cancer in humans.
There is no scientific evidence to support the traditional uses of Glehnia.
Sodium bicarbonate is a substance the human body ordinarily uses to maintain normal acid concentrations. It is currently investigated if sodium bicarbonate can be used in people with cancer to reduce acid levels in their tumors.
Vitamin C is an essential vitamin for humans that is found in all fruits and vegetables. Because of the way vitamin C is absorbed in the body, it is necessary to administer it intravenously in order to attain and maintain high concentrations of vitamin C.
Transfer factors have not been shown to treat or prevent cancer.
The anticancer effects of Triphala have not been confirmed in humans.
The claims of anticancer effects of Tian Xian are based on anecdotal reports. Scientific evidence is lacking.