Master Supplements, Inc. Reviews 1,164

Prompt service. Fast shipping.

I had silent GERD and purchased the HCL stim..after one dose I felt a complete difference. Thank you..will continue to use this!

From my phone call to order until it arrived in the mail was excellent.

So much integrity with Master Supplements. I’ve been doing business with them for 15 years- science backed and tested. Same people working there with friendly, helpful, intelligent advice. Superior products that work. Pleased with every product that I’ve used which includes about 15. Unlike other companies, they are caring and compassionate all the way
from folks taking orders to the owners. I’d work for this company if I could.

I discovered the educational videos. They are valuable to gain an understanding of the products. The Lumbrokinase that you have tested well. It use to be you could get higher strengths. But lately it is difficult to find the potency. I am glad I discovered yours.

Powerful products. Top notch customer service. And I've been receiving the same level of service for 17 years!

Customer support, quick turnaround, a real person to talk to, helped me reverse a big mistake I made when placing my first order.

I wanted the 50 unit product I got the 30 unit product. It was not made clear to me when I ordered that I'd receive the 30 unit product. I am wondering what the 30 unit is about.
Anyway,I ordered the 50 unit from Professional Supplement Center so I would get what I wanted.

SunTheanine proved useful for consistently improving deep restful sleep and consistent bowel regulation as reported by a client with Parkinsons. Replaced the use of OTC fiber supplements.

We have been taking Master Supplements (Theralac, TruBifido, Enzylase) for years and our microbiome would not be the same without them! Fabulous company! Excellent customer service! Great webinars! Thanks for the Master Supplements team!

Amazing products and customer support.

I truly love Master Supplements. Their products are of outstanding quality — you can feel the difference.
What makes this company even more special is their commitment to education and integrity. They don’t just sell supplements; they teach you how and why they work, empowering practitioners and clients alike.

As a Functional Health Practitioner, I deeply appreciate their science-based approach and the care they put into everything they do.
Master Supplements is not only a brand I trust — it’s one I genuinely admire.

When I call and talk to Bill he has ALWAYS gotten my order correct and gets it sent out to me ASAP.

they were all helpful and courteous.

This is a one-of-a-kind company. True integrity, the highest intent, and the best products in their class. Microbiome health is increasingly recognized as key to optimal physical and mental wellness. These products have truly made a difference in the lives of my patients. Bless you, Master Supplements!

I checked the ingredients and was surprised that Aspergilis niger was one of your ingredients. I believe
that it is not good for the body because it comes from mold.
Please respond