I recently orders some of GAT's Nitraflex and I got a free trial size of Jetfuel. Wondering if it's safe to stack since there's 325mg caffeine per scoop and there's added caffeine in the jet fuel.
Thanks

I wouldn't use either irrespective of caffeine content.
PES R&D
RecoverBro
i think you might have mis understood, or missed completely, the idea of "Advanced Discussion".