The Monster zero Ultra drinks I like (no sugar) list energy ingredients as taurine, L-Carntine, caffeine, inositol. I'm bipolar and they make me somewhat manic, which I like because I get creative, but I keep thinking I shouldn't drink them because everyone tells me they are unhealthy. Maybe not?
Well, "healthy" and "unhealthy" aren't binary. Smokers are skinnier than non-smokers.
I drink them moderately so maybe the taurine is healthy for me at my age, although excessive consumption could be damaging. "There is evidence to suggest that excessive consumption of energy drinks can have negative effects on the cardiovascular system, including the potential for heart damage. Energy drinks typically contain high levels of caffeine and other stimulants, which can increase heart rate and blood pressure.
I'm under the impression that when people tell me they are unhealthy they are talking about stories of young people who damage their heart by drinking them constantly through out the day.