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.
Types of Teas without Caffeine. Herbal Tea. Youâll see a lot of black, green and white teas marketed as âdecafâ but in fact it is not possible to decaffeinate tea entirely and so decaf teas do contain trace amounts of caffeine.