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.
Higher grades of white tea, which taste milder and have a lighter color, are often higher in caffeine. White peony tea, a white tea that is moderate in caffeine levels. Photo by AndrÃ© Helbig, licensed under CC BY-SA 3.0.