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.
Red tea / black tea. The tea leaves are fully fermented giving them to have a strong flavor and dark color. In comparison to other tea categories, its flavor is longer lasting and it has the highest concentration of caffeine.This is most popular form of tea in south Asia and Europe.ea is produced in over 20 Chinese provinces. Chinese tea bushes (Camellia sinensis) are cultivated in the mountain areas of tropical and subtropical regions or whereever there is proper climate, sufficient humidity, adequate sunshine and fertile soil.