Saturday, November 7, 2026 · Customer reviews of US businesses
The Fair Hearing score
Excellent
783 reviews
Master Supplements, Inc.Select a line to read only those reviews.
Honesty, pricing, process and quality scores appear once 5 customers have rated them.
Here at Master Supplements, we believe in honesty, hard work, and, most importantly, helping people. We're proud of our product efficacy and we're committed to getting them into the hands of those who need help.
Master Supplements, Inc. (master-supplements.com) has 783 customer reviews on The Fair Hearing, with an average rating of 4.9 out of 5.
Showing 734 reviews with 5 stars · Clear filters
Their probiotics are definitely of superior quality. I’ve recommended them to patients after my husband and I used them to recover from food poisoning while traveling abroad!
By Dr. Naja W.
Response from Master Supplements, Inc.· Jul 3, 2018
Thanks for the review Dr. Wah! - MSI
Friendly service, fast shipping and quality products!
By Connor
Response from Master Supplements, Inc.· Jul 3, 2018
Thanks Conner!
I won a bottle of probiotics on the autism summit. Best probiotics I've ever taken. I feel amazing since taking them.
By Jen
Response from Master Supplements, Inc.· Jul 3, 2018
Glad you attended the summit and were one of the winners! In case you didn't hear, we have a special discount we offer to AHA members. Feel free to contact us to learn more!
It has always be a pleasure to order from Master Supplements. My shipment arrives in a timely fashion, my order is always exactly what I ordered and the billing is correct. But the best part is the fact that these supplements are “the best” and I have tried several.
By Kate
Response from Master Supplements, Inc.· Jul 3, 2018
Great to hear this Kate! We pride ourselves on not only having excellent customer service and products but also making sure the logistical side of our business is hitting on all cylinders! The team at the warehouse appreciated your feedback!
I have never found any probiotics that work like these do!!!!!! And I’ve tried many!!! I won’t search anymore. I have sever IBS and these are the only ones that have helped. I get way less attack’s and less severe pain. God sent!!!! Thanks for making such a great product!!!
By Barbara S.
Response from Master Supplements, Inc.· Jul 3, 2018
Wonderful news Barbara! Thanks for choosing us:)
I tried several others brand,but this supplement works best.
By Susan
Response from Master Supplements, Inc.· Jul 3, 2018
So glad that you found a probiotic that works!
Great product with superior customer support and service.
By David
Response from Master Supplements, Inc.· Jul 3, 2018
Thanks for taking the time to let us know! MSI
Great Friendly Customer Service Appreciate their quick shipping and willingness to help. Sophie is the Best!
By Karen K.
Response from Master Supplements, Inc.· May 29, 2018
Thank you for the nice review and the call out for Sophie, she is AMAZING! We strive to connect on a deeper level than you see from many supplement companies :)
