[revelation]

You can also just buy pure caffeine powder and mix it with your favorite drink, or buy capsules seperately and make your own pills. Probably much more cost-effective.

And yes, from personal experience, I can attest to the fact that pure caffeine has an extremely bitter taste.

(Which begs the question, does it taste bitter because it is after all a neurotoxin and we have evolved to find those lacking in taste?)