Make any beverage caffeinated with… Make any beverage caffeinated with complete control over dosage! Inexpensive and very effective. I've been adding caffeine to my afternoon protein shake instead of having a second drink/coffee. 10/10

Good productp Product arrived quickly. It is easy to use. The container makes accurate measurement easy. Good quality.

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

Quick shipping and received exactly… Quick shipping and received exactly what I expected.

I got a brain injury kaffn8 helps symptoms I got a brain injury permanent brain damage, reactive gliosis as a result of this concussion so I suffer with headaches daily, and cognitive issues so I was given Ritalin, but I don't like Ritalin, so I began looking for jolt energy cola for caffeine but jolt is no longer for sale and searched for caffeine and found kaffn8 and I put it in my coca cola and it taste like jolt cola and get the caffeine I need. I no longer need Ritalin thanks to kaffn8,. Please don't stop selling this product. Because of your product kaffn8, it allows for a natural healthier way to deal with post tbi concussion syndrome symptoms instead of Ritalin a narcotic