I would highly recommend the product for anyone with cardiac problems to research this product.

I would highly recommend the product for anyone with cardiac problems to research this product.  Read Less

Item arrived on time and is the same life extension quality that i have come to know and trust.

Item arrived on time and is the same life extension quality that i have come to know and trust.  Read Less

I’ve heard good thinks about this product quality.

I’ve heard good thinks about this product quality.  Read Less

My only issue is the cost of the product.

My only issue is the cost of the product.  Read Less

Your service on delivery was fast and convenient and without problems.

Your service on delivery was fast and convenient and without problems.  Read Less

I wrote a review on the niagen page which you can read for more info.

I wrote a review on the niagen page which you can read for more info.  Read Less

It helped so much i started taking it twice a day and also included more pqq foods on my diet.

It helped so much i started taking it twice a day and also included more pqq foods on my diet.  Read Less

Inspired on an johns hopkins article in a fibromyalgia site, i started using it at the 10mg dosage.

Inspired on an johns hopkins article in a fibromyalgia site, i started using it at the 10mg dosage.  Read Less

Note that niagen costs around $50 for a months supply.

Note that niagen costs around $50 for a months supply.  Read Less