Four Tigers LLC is dedicated to researching and developing a pipeline of blackberry-based health and medical products that will be marketed as cosmetics, dietary supplements and foods. Initial products include a topical vanishing blackberry cream, a blackberry oral capsule targeted to the intestines and colon, and a blackberry chewing gum. The toothpaste & gum contains 50 milligrams of blackberry powder along with its associated polyphenols â chemicals that affect cell-to-cell signaling, inflammatory enzyme activity or gene regulation. Four Tigers is also developing a portfolio of medical products that harness the potent anti-inflammatory and anti-oxidant properties of blackberries. Researchers at the University of Kentucky have recently shown that a particular extract from blackberries inhibits the growth of human cancer cells in the laboratory