Excellent energy Item was shipped securely and promptly, I received mine after only a couple days. Katy included a nice little thank you note with my order, and I appreciate that touch. It's as described, flavorless, easy to measure. It's more expensive than some other alternatives but it's not the same as the ones that I've tried either. I've had experience with more than a few products and this is the best I've found.

Great product Easy to use. Love that I can control the amount so accurately.

They have a great product They have a great product, fast shipping, and I always get a personal handwritten thank you note! What’s not to like? Good people!

I have tested a few different products I have tested a few different products. Some just added too much bitterness, and those where the taste was great were rather expensive. After testing Kaffn8 I knew that I found the product: neutral taste and a great price. In addition, it was a nice gesture to see a handwritten note on the invoice that came with the delivery.

Buying Kaffen8 was easy. Buying Kaffen8 was easy. I really find taking the liquid caffeine is very do able and does it's job to give me energy when I need it. The thing that I feel is lacking on the site is that they don't tell a person where they get the caffeine from, and whether it's been tested for toxins