THERALAC
Great company, great products, especially THERALAC, the best probiotic in the world. - J Collins Meek, PhD, Neurological Learning Specialist
By J Collins M.
Response from Master Supplements, Inc.· Dec 10, 2018
Thanks Dr. Meek! -MSI
Wednesday, November 4, 2026 · Customer reviews of US businesses

The Fair Hearing score
Excellent
783 reviews
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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.
783 approved reviews, newest moderated first
Great company, great products, especially THERALAC, the best probiotic in the world. - J Collins Meek, PhD, Neurological Learning Specialist
By J Collins M.
Response from Master Supplements, Inc.· Dec 10, 2018
Thanks Dr. Meek! -MSI
Theralac is a miraculous product; cures "occasional irregularity/constipation" and the accompanying feeling immediately; Also; huge, visibly verifiable increase in volume/time.
By Eric Mirabel :.
I have been using your products for years. Your product, customer service, consistency and cost sets you above most of your competitors!
By Fred
Response from Master Supplements, Inc.· Nov 19, 2018
Thanks for saying so Fred! MSI
Great customer service with a quick response time and personal attention to your enquiries.
By Monique
Response from Master Supplements, Inc.· Nov 19, 2018
Thanks Monique! We're here to help! MSI
It was easy to place the order through your online website and shipping was fast, especially to Alaska. Thank you.
By Shirley W.
Response from Master Supplements, Inc.· Nov 19, 2018
Glad you were happy with everything! -MSI
Easy ordering process; excellent customer service. Excellent product info. Highly recommended.
By Cynthia W.
Response from Master Supplements, Inc.· Nov 19, 2018
Thanks Cynthia!
Excellent customer service. My product was delivered in 2 days! I am very pleased.
By Laura C.
Response from Master Supplements, Inc.· Oct 29, 2018
That is always our goal, orders generally ship same day they are received and the USPS is great with 2-3 day priority mail! All the Best - MSI
love this product ( therlac) and the service is great
By Jane M.
Response from Master Supplements, Inc.· Oct 29, 2018
Thanks Jane, we appreciate you! _ MSI Team