This just came

IMO try some caffeine + L-theanine

This could help with your social life, but no so much for studying. Not a complete waste, as you can use it for that, but try actually researching stuff before you buy or consume it.

You want modafinil. You'll probably need a prescription sedative to sleep after taking an academically useful dose of modafinil.

If you have no dicipline, you want to layer that with something like aniracetam that kills your anxiety after a few weeks of use. You'll also want choline a few times a week, before sleep as the aniracetam will deplete your levels.

Amphetamine psychosis kicks in after a half year or so. If OP has a predisposition for mood or psychotic disorders, the stress of the psychosis will likely activate them.

I used to use phenibut from that same vendor. It's not a meme. I took 2.5g mixed in a sip once a week. I never did any work on it, but it basically guaranteed a good, confident day. I usually felt a desire to be in public, although it's not like I would strike up conversations with strangers. It also very consistently made me play music loudly throughout my house. At a dose of that size I would usually get woozy and crash roughly 7 hours after dosing. I also experienced some strange, eccentric behavior from time to time 8+ hours after using, such as booby-trapping my room home alone style to protect against intruders and attempting to cook bananas on the stove. Additionally, I once used it before a big presentation for school and it made me uber confident to the point that my group members probably thought I was on cocaine. It also made me quit alcohol for a few months.

Better alternatives:

1) Sleep, lift, eat healthily
2) L-Theanine + Caffeine
3) Ashwaganda + Caffeine
4) Modafinil (afinilexpress.com)
5) Willpower + Meditation + Eat right
6) Stop being a faggot

Why did you stop taking it?

The school year ended and I didn't want to bring it home because I wasn't sure how much use I'd get out of it over the summer. Probably a stupid idea to throw it out and definitely a waste of money because I might just end up buying another bottle. Also, even though I wasn't addicted or anything, I wasn't sure if it might have some negative long-term effects.

i’ve heard if you use phenibut heavily for a long time it becomes more addictive than heroin, is this true?

no
opioid addiction is physical
phenibut and other GABA related stuff is psychological

dude what

gaba related withdrawals are not only physical but deadly (alcohol and benzodiazepines, dunno about phenibut). opiate addictions are physical and psychological, but not deadly.

you mentioned addiction first and now trying to school me on withdrawals
those are two different things fren

....no, they're not. they are two facets of the same thing, as relevant to this conversation. withdrawal is the consequence of unfulfilled addiction. you can't have one without the other.

oops

This shit works for me, but I don't take it on a daily basis. It makes me more social, but being too social can be risky, you might talk too much or say stupid things that embarrass yourself.

To improve focus, I use:
Ritalin (or Concerta)
Choline + Inositol (improves analytical thinking considerably, but may harm your sleep)
Coffee
Fish oil (2 in the morning)

You might want to try Tyrosine for focus too, but I'm not 100% convinced it works for me.