Great customer service and fast delivery!
Great communication and fast delivery!
By J. C.
Saturday, November 7, 2026 · Customer reviews of US businesses
The Fair Hearing score
Excellent
639 reviews
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Honesty, pricing, process and quality scores appear once 5 customers have rated them.
Blackstone Labs makes the most hardcore supplements for gaining mass, building muscle, lean gains, cutting, and getting big.
Blackstone Labs (blackstonelabs.com) has 639 customer reviews on The Fair Hearing, with an average rating of 4.6 out of 5.
639 approved reviews, newest moderated first
Great communication and fast delivery!
By J. C.
The products are always on point and work as advertised. Shipping is quick and buying is simple.
By JOSHUA K.
Always Great products, promos, and customer service!
By Justin L.
They claim they never rcvd my results. They also claim I've used the service twice and can't retake the test. Never even heard of Blackstone before. The application was glitchy and disconnected multiple times even after following instructions to the T.
By WILFREDO V.
Response from Blackstone Labs· Apr 6, 2024
Greetings, I’m sorry to hear about your experience. By chance, are you talking about Blackstone Laboratories, the oil analysis company? This is Blackstone Labs. We sell dietary supplements.
Quality products and fast shipping
By Steve V.
It was shipped fast and I received it in less than a week.
By Lou
I always enjoy hearing about your great products. I have always had a great experience with your company anytime I have an opportunity to work with your team. It all about the gains.
By Randall F.
Their products are always top of the line and I always get decent prices from them.
By Jenina G.