Chock-full of antioxidants, vitamins and other compounds, tea has been linked in a variety of studies to stronger immune function and reduced cell damage. Some research suggests tea may prevent cavities, improve blood sugar levels and perhaps provide cardiovascular benefits.The idea that milk may diminish the potential heart-health benefits of tea has been a topic of debate. Lots of us can’t imagine black tea without a little dairy to cut the bitterness.
After picking the brains of lots of researchers it’s being found that it’s not bad to choose black tea. Adding milk to tea reduces health benefits by reducing antioxidant properties, by suppressing the flavanols responsible for reducing the risk of cancer and heart disease
Its known that adding milk in tea lowers the antioxidant capacity of blood. This is due to the fact that milk proteins generally casein blocks the relaxation effect that black tea can have on blood vessels. To the Preliminary studies tea has flavonols which helps in regulating blood pressure.