Have you tested positive for crystalline xanthine alkaloid

This bitter white stimulant sneaks up into all nearly all our beverages. While in nature it acts as a natural pesticide to paralyze and kill insects, we humans glug copious amounts of it via soft drinks, beverages or energy shots.

Caffeine, you sneaky bugger.

Caffeine Attack (Photo credit: serafini)

The jolt from caffeine keeps us going until the crash which
follows, in my case that is a numbing headache which even sleep can't eliminate.

So, someone created decaf.

For all those hypersensitive to caffeine, wouldn't you like to know if the Americana is legit amount of caffeine?

So, someone else invented a caffeine test strip. D+caf Test Strips help you fine caffeine concentration of coffee and tea with 98% accuracy for detecting “NON-DECAFFEINATED” beverages. The test strips are so high in demand that I could not find a single live link to the product-buy page.

Caribou Coffee Logo (Photo credit: Wikipedia)

I will continue to take my chances with that dark roast Caribou Coffee. Drinking two pounds of that coffee hasn't frazzled me, so the remainder half pound should be equally relaxing.