Loose leaf tea is free from additives and retains its original flavor, so many tea drinkers prefer loose leaf tea over tea bags.
You may reuse black loose leaf tea up to 3 to 4 times after its first brew. Each time you reuse the loose leaf tea, you’ll have to add on 2-3 minutes of steeping time each time to retain flavor and potency.
Yes, they do have a trace amount of caffeine, but it is not enough to affect the heart rate or energy level of someone who isn’t highly sensitive to it. The caffeine content is very small, about 2 mg.
There really isn’t a caffeine-free tea. Caffeine-free refers to the ingredients and a beverage that has zero caffeine. For example, herbal tisane doesn’t have any tea content at all. It is comprised of herbs, roots, seeds, fruits, and flowers--a caffeine-free beverage, not a caffeine-free tea.
A decaffeinated tea refers to tea leaves that once contained the natural stimulant but underwent a process to remove it almost entirely. Decaf teas usually have no more than 2 mg of caffeine.