Lately I've been drinking an energy drink that contains: - Caffeine - Dimethylaminoethanol (shown to increase vigilance and alertness as well as improve mood)

Lately I've been drinking an energy drink that contains: - Caffeine - Dimethylaminoethanol (shown to increase vigilance and alertness as well as improve mood) - Methylhexanamine (stimulant) - 5-Hydroxytryptophan (5-HTP, mood enhancer) - Yohimbine (stimulant) - Vitamin B12 (minor deficiency can cause fatigue, depression, and poor memory) - Potassium citrate (not sure what it's for, Wikipedia says it prevents burning when you pee) It seems to work for me better than regular coffee or energy drinks, but I probably wouldn't recommend it if you are on medication or have a heart condition, it's pretty intense at first.