I'd wager you can't conclude from any of that research that putting a gram of it in a drink will help with anything at all, but from a marketing perspective it's a name that carries all the right connotations.
Cite sources or don't do this.
Cite actual sources, please.
Like, why the fuck? At least cut it down to at most 100%.
It is a reasonably well documented protectant of neurons and mitochondria.
Here is one great example publication related to a mouse model of glaucoma:
https://pubmed.ncbi.nlm.nih.gov/28209901/
I take 3 gm/ day and have for 6 years with what I think are notable improvements in cognitive function. Your mileage may vary.
My assumption was it helps ease the stimulant effects of all the other stuff in energy drinks.