I'm sure it's dose / brew strength dependent, but the coca tea I had definitely had a noticable effect, but felt milder than a regular (caffiene) black tea to m

I'm sure it's dose / brew strength dependent, but the coca tea I had definitely had a noticable effect, but felt milder than a regular (caffiene) black tea to me. Much milder than a coffee. Mind you I'm quite caffeine sensitive, so if you YMMV.