Pete C.
Excellent products
Just received my masszymes and blood sugar break through. I’ve been using them for about a week now and can really feel the difference (better) from other similar products I’ve tried in the past. Will be reordering.

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BiOptimizers (bioptimizers.com) has 525 customer reviews on Five Star Index, with an average rating of 4.0 out of 5.
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Pete C.
Just received my masszymes and blood sugar break through. I’ve been using them for about a week now and can really feel the difference (better) from other similar products I’ve tried in the past. Will be reordering.
Pam in F.
It took several weeks, but we have noticed a definite improvement in our sleep. My husband used to have trouble falling asleep and staying asleep. The Magnesium has been a huge factor in improving his sleep. It has also helped immensely in handling stress. No side effects and our integrative medicine Dr. whole heartedly approves!
Kathy
Wonderful products! Magnesium helps me sleep and the Masszymes are Transforming my gut! Honest products that deliver results.
Tim M.
Great product so far. Also is improving, recovery is better and overall feeling good!!
Conner K.
Good stuff, the enzymes and magnesium are quite potent.
David R.
I have bought many products from BiOptimizers. Gluten Guardian, Digestive Enzymes, Probiotics, Fat Burner, and the new glucose disposal agent. All very good products. I highly recommend these products. As a retired IFBB Professional Bodybuilder and lifelong athlete, I love the products. I am also an RD and tell clients about the products all the time.
TJ J.
Masszymes is a top of the line digestive enzyme. It does exactly what it says that it will do, which is help you digest hard to digest proteins like meats and protein shakes. I take Masszymes every day because they work!
Frank C.
Notice huge difference with digestion. Bloating and gassiness are gone to near nothing.