Another study suggest mushrooms may help prevent breast cancer, likely due to compounds like glutathione, ergothioneine, and polysaccharides. Medicinal varieties like reishi, turkey tail, shiitake, and maitake boost antitumor immunity, with turkey tail’s PK polysaccharide aiding cancer therapy.
4. Allium Vegetables

Onions, shallots, leeks, and garlic are anti-cancer foods said to prevent certain cancers such as colon cancer and other cancers related to the gut.
According to a research, onion and garlic possess “promising biological activities that are indicative of their potential as potent antioxidant and anticancer agents.”
5. Wakame
