Yes, it is.
If there are no pronounced problems with blood pressure (hypertension, for example), then you can take coffee or guarana - it lasts 2-3 times longer than regular coffee!
Alternatively, L-Theanine can be added to caffeine to mitigate the stimulating effects of caffeine and reduce stress levels.
More Answers, Reviews & Discounts on the very best and harmless nootropics here: t.me/nootropics ( @nootropics in Telegram search).
In fact, you get nothing but additional energy from coffee. Therefore, it is not recommended to consume caffeine with tonic nootropics (piracetam is not included in this list).
And with other nootropics - please.