Wonderful product
Order completed and shipped on time. Product works great.
By Lisa E.
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
Order completed and shipped on time. Product works great.
By Lisa E.
I really enjoy that it's at my house within the next two to three days after I order.
By Robert G.
Awesome product and service! I have referred my family and friends and would recommend their products over any other caffeinated drinks out there, I’ve been using it since 2019 and don’t plan on stopping!
By John C.
Always receive quickly & the product is exactly what I need! Happy customer
By PSDance
Love this product and company. Been using them for many many years.
By Steven L.
Great attention to detail as they noticed that I had accidentally purchased 2 of the same item and asked me if I wanted both, then refunded me one since i didn't want 2 at this time
By Jeffrey V.
It's just a great product, and you guys have wonderful customer service. Thank you!
By Michael D.
I can't have caffeine so I drink decaf coffee but my husband needs the energy, so he adds liquid caffeine to his cup. It's super easy and he doesn't notice a taste difference. Will definitely buy again!
By Susan