Damage to tea.. Effect on the color of teeth and prevent absorption of important metals in the gastrointestinal tract

Tea contains two main substances, Caffeine and Tannin. Although two cups of tea contain less caffeine than a similar cup of coffee (about 50 milligrams), the common belief that tea is better for us than coffee is Wrong belief In addition to the harmful effect of caffeine, tannin, which in addition to its effect on the color of teeth, prevents the absorption of many important minerals in the gastrointestinal tract. So if you are taking tea, it should be at least half an hour before or after meals.
If decaffeinated beverages are the solution?
Although this type of coffee does not contain caffeine, it still contains other chemicals such as theobromine and theophylline, which have a stimulant effect.
The process of decaffeinating coffee is done by chemicals that remain in it.