Theralac
Amazing probiotic! Highly recommend.
By Michael
Response from Master Supplements, Inc.· Feb 15, 2024
Theralac is still our #1 seller!
Thursday, November 5, 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
Amazing probiotic! Highly recommend.
By Michael
Response from Master Supplements, Inc.· Feb 15, 2024
Theralac is still our #1 seller!
MY EXPERIENCE WITH MASTER SUPPLEMENTS HAS BEEN A GOOD ONE. THANK YOU.
By Ruth E, D.
Response from Master Supplements, Inc.· Feb 15, 2024
Thank you!
Easy ordering process.
By customer
Response from Master Supplements, Inc.· Feb 15, 2024
Thanks Dr. Blackwell!
Excellent product line with some of the best proteolytic and digestive enzymes available today. The use of AstraZyme in their products to enhance nutrient digestion and absorption, purity of ingredients and glass bottles to protect those ingredients stand out for me. Easy ordering process, prompt delivery and always well packaged.
By Dr. V.
Response from Master Supplements, Inc.· Feb 15, 2024
We are very grateful for this exceptional review! TY!
The company has great customer service and keeps you informed!
By Kathy V.
Response from Master Supplements, Inc.· Feb 15, 2024
TY!!
Good Products and better communication and bit delivery need to be improved faster.
By Allauddin
Response from Master Supplements, Inc.· Feb 15, 2024
Thank you for the feedback, we are always eager to improve!
I ordered by phone, and he answered promptly and took my order. It was easy and efficient. I like this probiotics very much
By Ale L.
Response from Master Supplements, Inc.· Feb 15, 2024
Wonderful to hear this!
Great service! Fabulous product. High quality.
By Susan S.
Response from Master Supplements, Inc.· Feb 15, 2024
TY!