JB
Top Notch
Excellence of products as well as prompt personable customer service
Response from Master Supplements, Inc.Oct 23, 2026
Thanks so much!

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 Five Star Index, with an average rating of 4.9 out of 5.
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JB
Excellence of products as well as prompt personable customer service
Response from Master Supplements, Inc.Oct 23, 2026
Thanks so much!
MAUREEN M.
I love this product and the company. I've taken Proteinzym for years and I trust its testing and it's care in selection of ingredients. As a big plus, the Customer service every single time is outstanding.
Response from Master Supplements, Inc.Oct 23, 2026
We're delighted to hear you're enjoying Proteinxym! Thank you for being a valued customer.
Gavric C.
Master supplements is a phenomenal company to work with. Everyone is very friendly and so helpful! Shipping is always quick for their outstanding products!
Response from Master Supplements, Inc.Oct 23, 2026
We appreciate your review! We'll be sure to share your kind words with our team.
Katherine W.
From the first phone call i was in good hands with Bill...he was full of knowledge very professional and easy to talk to.
Response from Master Supplements, Inc.Oct 23, 2026
Thank you for the kind words! We're happy our team could help and appreciate you sharing your experience.
Innovative Vitality Vit. S.
Excellent products & customer service
Response from Master Supplements, Inc.Oct 23, 2026
Your support means a lot to us!
customer
Great customer service!
Response from Master Supplements, Inc.Oct 23, 2026
Thanks so much for the five stars!
customer G.
Bill, has always been Great to work with. I have been ordering for him for about 3 years and he is always on top of his game getting the products shipped out right away and they have always been correct !!
Response from Master Supplements, Inc.Oct 23, 2026
Bill has been such a valued asset for our team for many years now-thank you for sharing!
Suzanne G.
KAthy Riley is the best representative1 She is always professional, has a lot of new information and provides excellent service!!!! A REAL GEM!!!
Response from Master Supplements, Inc.Oct 23, 2026
Thanks for calling her out, Kathy is a joy to work with. We'll let her know!