Health Benefit ...

Vitamins

Black tea contains small amounts of a number of vitamins considered essential for maintaining health:

Carotene, a precursor to vitamin A, has antioxidant and protective properties.
Thianum (vitamin B1) and pantothenic acid are necessary for the release of energy from fat and carbohydrate.
Ascorbic acid (Vitamin C) is essential for a healthy immune system.

Vitamin B6 is involved in the metabolism proteins Folic Acid plays a role in cell division.
The average daily consumption of tea in the UK (24fl. oz), drunk with semi skimmed milk, provides:

9% of the daily requirement of Vitamin B1
25% of the daily requirement of Vitamin B2
6% of the daily requirement of Vitamin B6
10 of the daily requirement of Folic Acid