Where can I purchase them?
I purchased this one tea extract and it had 200 mg of caffein.
I couldn't stack it with my other supplements.
Which brand contains the most and least caffine?
What about ?
Check out legalgear.com, they should have thefrom NOW foods. I don't know if they have though
FL7 (more systematic)and Ab-solved (more localized) are both transdermal 7-keto products by Avant Labs and you can also by generic 7-keto from several online stores.
For answers to board issues, read the Suggestion and News forum at the bottom of the main page.