Nicholas F. reviewed Qualia Mind Energy Shot
Seems to work for training intervals. No crash or jitters. Too expensive (and you get fewer "doses") than with other supplements, so subscriptions are kind of off the table.
Instant Energy
I took part in Neurohacker one week study and I have to say that the energy shots are great! They really provide almost instant energy and there is no crash. I must admit that I was not a fan of the flavor but I got to use after a couple of days.
Nice Job
I enjoyed the increased focus and energy without any jitters.
Great energy enhancer
Loved it! Plenty of energy and drive throughout the day.