'Everything will be fine once caffeine kicks in', is a common belief among tea coffee lovers. But do you know exactly what is caffeine? Caffeine mostly found in tea, coffee, cola and some chocolates is a type of drug that stimulates the nervous system of our body. Caffeine in Greek frappé coffee has certain benefits and side effects. The caffeine content is unknown for Greek frappé coffee. Caffeine can be effective on headaches and can increase alertness but, very high doses of Greek frappé coffee caffeine can have adverse effects on our body. So, Greek frappé coffee caffeine content should be as low as possible. Also, get to know caffeine content of other products like Greek frappé coffee vs Affogato, Coffee vs Affogato.