Antioxidants are rich in black tea in the form of polyphenols! These substances block DNA damage from toxic chemicals. Tea polyphenols are different from those found in veggies and fruits and are a great additional supplement to your health. Black tea has been shown to lower the risk of getting type 2 diabetes in a recent Mediterranean study. Also what a great immune boost that black tea brings as it will fight many types of viruses in the system. And,don't forget that awesome amino acid L-theanine found in black tea. It brings relaxation and reduces stress while providing mental focus.