I also had it in hiking Peru. I found it to be a mild stimulant, similar to caffeine but wihlthout any jitters. Didn't notice any euphoria at all, TBH. My wife

I also had it in hiking Peru. I found it to be a mild stimulant, similar to caffeine but wihlthout any jitters. Didn't notice any euphoria at all, TBH. My wife and I drank coca tea during the whole stay in Peru, and the altitude didn't bother us at all, which I presume was because of the coca.