I was only aware of it in passing, but some of the developers and SW engineers on my team swear by it and were talking about it on a call this morning so I started researching it some more. Non-stimulant and the main benefits appear to be reaction time and decision making improvement with less frequent errors- which sounds amazing. Primarily focused on gamers in the studies, seems it could be worth a look.
A Prospective Study Evaluating the Effects of a Nutritional Supplement Intervention on Cognition, Mood States, and Mental Performance in Video Gamers
Cognitive function is critical for successful prolonged performance in eSports. This double-blind placebo-controlled study examined the effect of an inositol-enhanced arginine silicate oral supplement on cognitive performance and energy in eSports athletes. ...
www.ncbi.nlm.nih.gov