The best!
The best and highest quality protein I have ever tried!
By Jonathan P.
Saturday, November 7, 2026 · Customer reviews of US businesses
The Fair Hearing score
Great
414 reviews
Select a line to read only those reviews.
Honesty, pricing, process and quality scores appear once 5 customers have rated them.
Supplement Warehouse! Truthful & Honest Info about supplements such as whey protein & pre workouts.
Protein Factory (proteinfactory.com) has 414 customer reviews on The Fair Hearing, with an average rating of 4.4 out of 5.
414 approved reviews, newest moderated first
The best and highest quality protein I have ever tried!
By Jonathan P.
Good products most important, & good customer service combination is why I continue to stick with PF.
By Richard H.
I just want to say it's been years since I last ordered a stack from Alex and the Team. I've been waiting for the right one to come along and he finally put another one together with my favorite Unleashed in it. Thank you so much
By Michael T.
I enjoy the products from protein factory and have had nothing but excellent results.
By Thomas
Muscle shake, caldrol 500, ecdysterone and unleashed all worked well. Going to snag some more unleashed and ecdy today.
By Stanley S.
Very easy checkout.
By Edward G.
I ordered the New Zealand whey powder before the pandemic and have been loving it. It's very pure and clean end super easy on the digestion as well. Thank you for having the superior product available!
By Maryam
Excellent service. First time ordering, can't wait to try the proteins.
By Lauria