R Moore
USThey 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!
Lorraine Dalland
USBuying 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
Thelma Ramirez
USI love this product!! I love this product! I take it every morning and it helps me get the morning pick me up that I need without breaking my fast. I do intemittent fasting and this is the only thing I can take. I mix it with water. The taste isn't bitter for me and it is perfect!
teresa scott
USLove this product! Love this product! It makes it easy to add a little caffeine to my bubbly water without adding sugar or other chemicals. And you cannot taste it! Easy to order and shipment was fast.
Olivia
USLove its I’m a repeat customer. I’ve been using this product for about 2 years. I love that I can measure exactly how much I want and add it to whatever drink I