I use it occasionally you need to gauge the dosage to your body weight and best on an empty stomach. The taste is not so bad but overly fake sweet. If you are looking for phenibut you can just buy the powder off amazon and mix it with juice or your fav sugar free non carbonated drink. You def need to cycle it 5 on 2 off. Gives a solid night sleep, like knocked out sleep and some people wake with a haze others spring out of bed. I tend to wakeup instantly when taking it with no fuzzy head.