Fluoride is another content of black tea and best herbal tea thus allows oral and bone health. Black tea, contains flavonoids which are also found in apples. Unlike green tea, black tea, once processed eliminates all antioxidants existing in it. Black tea not only helps to fight bacteria but also strengthens the immune system. As one knows, drinking tea hydrates the body, thus a cup of black tea helps moisturise the skin. Black tea also balances the hormone levels, which fends off stress. Not only does black tea have anti-inflammatory qualities, it also keeps a check on the digestive tracts functioning. It can help reduce stroke risks as it balances the cholesterol level.