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.
In some cases, this is true, but most of the time, it's not all that much lower in caffeine than other types of tea. Here's the lowdown. The amount of caffeine in white tea varies from type to type. A cup of white tea can contain anywhere from six mg of caffeine to 75 milligrams of caffeine, depending on the type. There are many factors that influence the level of caffeine in tea, but you can reduce caffeine in your white teas with these techniques. 1  Drink whole-leaf white tea instead of teabags. Teabags have more caffeine than loose-leaf tea (usually). 2  Drink white teas from Fujian, China.