PQQ 40 mg - PQQ with CoQ10 Supplement - Mitochondria Biogenesis & Cellular Energy Production - with Magnesium, Vitamins C, E & B2 - Pure & Highly Bioavailable | Lab Tested - Made in USA - 60 Capsules

Not sure because fixing knee pain is not an attribute of this supplement but I swear it’s helped my right knee. I will give an update when I’ve taken the entire bottle.

I love this pqq it has really has help me with my memory I feel it is very effective and I feel it is a worth the money!! I have a good energy and the pill is easy to swallow 🙏😘💜💟✝️

Why did you pick this product vs others?:This is my second bottle of this product. I believe it’s helping with my overall health. This Brand is more affordable than others.

Excellent product! This product shows excllent results. Thank you.

I got these for my husband. He is in quite a few supplements but says he feels better. It’s hard to be sure if that can be attributed to this but we will keep buying it since we think so.

Removed pain in foot

This product in conjunction with ubiquinol , quercetin , and a green chlorella really work well to carry my metabolism through the day!!! Really a wonderful product!!!

So far so good.