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.
While many herbal infusions (or tisanes) are naturally caffeine free, decaf teas are teas that naturally contain caffeine, but have had most of the caffeine removed. Interesting side note: There is actually a naturally caffeine-free coffee out there. It's just very rare.