Yes, earl gray black tea does contain caffeine.
An English breakfast tea typically contains around 30-50 milligrams of caffeine per 8-ounce cup.
No, fennel does not have caffeine in it, therefore the tea made from it has none. If however, fennel is added to black tea, then the black tea will add caffeine to the tea made from it.
Yes, yes it does.
Yes, the caffeine content in green tea is generally lower than that in black tea.
Irish Breakfast tea typically contains about 40 to 70 milligrams of caffeine per 8-ounce cup, depending on the specific blend and brewing time. This makes it stronger than many other black teas, contributing to its robust flavor. The caffeine content can vary based on factors like the type of tea leaves used and the brewing method.
Yes you can but it's not advisable to drink too much. It's the caffeine in the tea that can cause a lower than normal birth weight. English breakfast tea has a greater amount of caffeine, than "normal" tea. Four cups of tea a day is a guideline, so for English, I'd suggest only two cups a day. Any doubts, see your doctor, he's better qualified for this sort of thing. See related link for more information.
Yes, Turkish tea contains caffeine. It is typically made from black tea leaves, which naturally have caffeine. The amount of caffeine can vary depending on the brew strength and the specific tea used, but generally, it contains a moderate level of caffeine similar to other black teas.
Unless it specifically states "caffeine-free" on the label, YES. Chai tea is made with black tea as a base, with spices and flavourings added. Black tea has caffeine in it. Decaffeinated teas have some (not all) of the caffeine removed. There are herbal chai teas available that are made without black tea in them, so read the label carefully.
Some common black tea flavors available in the market include Earl Grey, English Breakfast, Chai, and Darjeeling.
Unless it specifically states "caffeine-free" on the label, YES. Chai tea is made with black tea as a base, with spices and flavourings added. Black tea has caffeine in it. Decaffeinated teas have some (not all) of the caffeine removed. There are herbal chai teas available that are made without black tea in them, so read the label carefully.
Yes it does. The Caffeine Content in English Breakfast Tea is 3.4% of Total Weight (which is a significant amount compared to other teas). The caffeine content in tea is about half to one third to that of coffee. This tea gives a good energy boost compared to coffee coffee. Caffeine does not increase your risk of heart disease. It temporarily increases your sympathetic tone (increased heart rate, mild increase in blood pressure) but certainly doesn't "harden" your arteries. The hardening of arteries, atherosclerosis, is a process that occurs over many years in response to elevated LDL cholesterol, chronically elevated blood pressure, and several other factors including smoking.
No. Green tea has caffeine, although it has less caffeine than "normal" black tea.