Symptoms of a choline deficiency may possibly include: 1  low energy levels of fatigue. 2  memory loss. 3  cognitive decline. 4  learning disabilities. 5  muscle aches. 6  nerve damage. 7  mood changes or disorders.
Black teas are fully oxidized teas. Black teas brew a liquor from reddish brown to dark brown. They are the most popular type of tea in the Western world. Black teas range from 40 â 60 milligrams of caffeine per 8 oz cup.
Weâve had a look at the different types of tea that come from the Camellia sinensis plant, in order to find out a little bit more about them: Black tea. Caffeinated black tea is often regarded as our daily cup of tea in the UK; many of us see it as a comforting drink.