Saturday, November 7, 2026 · Customer reviews of US businesses
The Fair Hearing score
Excellent
639 reviews
Blackstone LabsSelect a line to read only those reviews.
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
I’ve only been using Arson for a few days now so I can’t speak about fat loss yet but man is the energy insane!!! I take 1 capsule in the morning on an empty stomach and it keeps me going all day. No need for coffee and energy drinks anymore. It has also helped surprise my appetite
By Nick K.
Quality products. Good service.
By Jeramy A.
I’ve taken preworkout twice and it is really good the taste is great and the energy is very nice! It definitely top shelf pre workout
By Jose R.
Great customer service!
By Zach K.
Good deal. Good taste
By Andrew
Very helpful customer service. Fast fulfillment of orders.
By Garrett
Excellent! I love blackstone labs!
By Chelsea
Super quick shipping and great value for incredible products
By Sam A.
