Addrena (Formerly Adderllin) is the best over the counter energy supplement for adults that achieves strong results as a natural alternatives pill for studying while also helping focus as it is extremely effective at boosting vitality levels and increasing concentration. This long lasting stamina and mental focus tablet is a cure for over tiredness from it’s strong herbal stimulant effects. Addrena ingredients are herbal stamina boosters like Guarana, Citrus Aurantium, Choline, Huperzine, Vitamin B3, and ALCAR. 60 Super powered tablets great for workplace professionals, college students, and anyone else wanting to improve their overall learning, mood, and mental focus. Our formulation guarantees the most focus and pep you can get legally.