My only consistent supplement company
I have used their enzymes, P3OM, HCL, and magnesium 2 years, they all very good products I will always use them.
By Diane D.
Sunday, November 8, 2026 · Customer reviews of US businesses
The Fair Hearing score
Great
525 reviews
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Our mission is dedicated to discover, present, and share strategies backed by cutting edge research that lead to Healthy High Performance. We believe our products empower humanity to achieve an optimal state of well-being in the body, mind, and soul...
BiOptimizers (bioptimizers.com) has 525 customer reviews on The Fair Hearing, with an average rating of 4.0 out of 5.
Showing 321 reviews with 5 stars · Clear filters
I have used their enzymes, P3OM, HCL, and magnesium 2 years, they all very good products I will always use them.
By Diane D.
It took a few weeks for my gut to adjust but I now take one every night with no negative impacts. I do a lot of fasting and feel like I really need quality magnesium.
By Owyheebabs
The best customer service. keep it up!
By Sarah H.
Shipping was quick and was delivered on time. I have not yet started using the product but I am looking forward to doing so!
By Jennifer I.
I am very happy with the products that I have ordered. I have several of the products on a monthly subscription and believe that they are an important part of my daily health routine.
By Beverly Ivey J.
Best magnesium complex in the whole wide world!!
By Aishah L.
Love this product. One of the best magnesium supplements I’ve found
By Teri G.
Awesomeness in every area! Product and all 👍
By James K.