 4. Green Tea This ancient beverage isn't just a warm comfort, it's a potential cancer fighting ally. Green tea is rich in polyphenols, which exhibits antioxidant and anti-inflammatory properties. Research suggests green tea may be associated with a lower risk of various cancers, including bladder, esophagus, and stomach cancers. 5. Black Garlic Forget boring old white folks, because we're about to introduce you to the coolest crusader in the anti-cancer brigade, Black Garlic. Yes, you heard right, this mysterious hero starts as a humble bulb, but undergoes a secret transformation, its compounds morphing into allicin, a natural champion against bad guys like bacteria, and even, potentially, certain cancer cells.