
Originally Posted by
living2die
Yeh...while all of the active ingredient is the same regardless of caffeine supplement you are ingesting, the inactive ingredients vary immensely between labels. i.e. I compared the inactive ingredients of No Doz, Vivarin, Jet Alert, and generic caffeine pills and they all listed different inactive ingredients.
While the differences seem subtle, they can produce an entirely different reaction that varies from person to person.
I prefer yellow swarm like I said. It has some nice herbs to boot, on top of the caffeine anhydrous.