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
My shipment went haywire and Master Supplements was very communicative and supportive, quickly! They refunded my extra shipping and even gave me a discount for the inconvenience. Excellent service!
By Katie I.
Response from Master Supplements, Inc.· May 25, 2023
Glad we got it all sorted out! Ty for the patience and understanding!
Thank You for taking the Time for my Order.
By R. C.
Response from Master Supplements, Inc.· May 25, 2023
You're Welcome! Thank YOU for the order!
In the Wild West of probiotics, Master Supplements checks all of the boxes I need as a health professional: Researched strains that are verified to live in the human gut and not self-compete - ✔️ Strain numbers on the label - ✔️ Dark glass bottle for probiotics - ✔️ Guaranteed potency through expiration - ✔️ Acid-proof delivery - innovated by Master Supplements' founder - ✔️ Synergistic support with sodium alginate, Enzalase, and/or TruFiber - ✔️ 100% Satisfaction Policy - ✔️ I am honored to use these products personally and carry them in my practice and store. The owners are wonderful. Yes, they are knowledgeable, but they also obsess about the quality of their products and maintain great relationships with those that use them.
By Alexander R.
Response from Master Supplements, Inc.· May 25, 2023
This review is one of the best we've had, thanks so much Dr. Rinehart!
trying to cancel this order after it went in and no contact info to do so afterwards found contact information in small print at bottom. They were very obliging and credited me the bottle for the 20% sale as I wished and had free shipping. Thanks for your help
By Nancy H.
Response from Master Supplements, Inc.· May 25, 2023
Glad we were able to help you out, we'll work on making our contact info more noticeable and apparent, we appreciate the feedback!
Online ordering was efficient and I received the probiotics in a timely manner. All around a great experience. Thank you!
By Janet
Response from Master Supplements, Inc.· May 25, 2023
Happy to hear! TY!
I had a question about a discount. I got a very prompt reply and a generous offer was given to me.
By customer from C.
Response from Master Supplements, Inc.· May 25, 2023
Awesome, glad to hear!
Accuracy, quick email response.
By Emily
Response from Master Supplements, Inc.· May 25, 2023
We try! Ty!
Fast fast fast delivery!!! And informative emails to let me know what was happening with my order!! I truly appreciate effective communication! Thank you!!!
By Kelly
Response from Master Supplements, Inc.· May 25, 2023
So glad to hear this-ty!
