3 bucks is a stiff price. Looked at the ingredients and it does contain a good dose of Citicholine so there's that. Something like Huperzine-A would be felt more but could cause sides. Tyrosine or NALT could be a good addition for these. Usually energy drinks aren't worth the money IMO since it's just flavoring and caffeine, unless the taste is worth the money. Coffee is stronger and more economic plus it's a good source of antioxidants.
My brother bought a PWO which has 350mg of caffeine and said it was bunk as he didn't feel shit. Had a high dose of beta-alanine, tyrosine etc too. I got the nasty itching and it was too "strong" for my taste due to the caffeine mega dose, don't know wtf he was talking about.