Been getting this caffeine to add to soda for years. …
You went above and beyond to make sure we have the right order going to the right place. Top notch caffeine.
By customer
Saturday, November 7, 2026 · Customer reviews of US businesses
The Fair Hearing score
Excellent
156 reviews
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Honesty, pricing, process and quality scores appear once 5 customers have rated them.
Liquid Caffeine is your source for highly concentrated caffeine. Add it to any drink to make it an energy drink! Dispense a safe portion into your drink with the provided pump. Cut the sugar and chemicals out of your caffeine intake with Liquid Caffeine. Traveling get our packets. Each packet contains 80mg of caffeine and is great for when you are on a trip.
Liquid Caffeine (liquidcaffeine.com) has 156 customer reviews on The Fair Hearing, with an average rating of 4.8 out of 5.
156 approved reviews, newest moderated first
You went above and beyond to make sure we have the right order going to the right place. Top notch caffeine.
By customer
I've been a coffee drinker for 40 years, this product is awesome!
By Ray P.
Always a prompt shipment, great price, and I love not getting constantly spammed with marketing emails.
By Kevin H.
Product is great and they gave me the discount on my first order!! I was highly impressed that they actually read their emails because most companies are so impersonal these days. You should sell on tiktok.
By Kandice
Fast Delivery. No BS
By Josh B.
Good product fast free shipping reasonable prices.
By youssef B.
Tastes better than before. Pump works where old one didn't. Packaging nicer.
By Tamara W.
The customer service is excellent from Liquid Caffeine. We have ordered from them probably about a dozen times or so, have always received a follow up email asking if the shipment met our expectations and a nice little discount for the next purchase. Shipping is always fast, usually arrives about 3 days after ordering. We will order the Sweet Caffeine, which is not all that sweet and perfect added to sparkling water. Have recommended to many friends who are also now fans. Thanks, Liquid Caffeine!
By Aubrey S.