PureQQ® Pyrroloquinoline Quinone is the first PQQ product to complete the self‑affirmed GRAS (Generally Recognized as Safe) process with the FDA’s official acknowledgement (GRN No. 625). We are dedicated to providing the highest quality PQQ to manufacturers of dietary supplements, foods, beverages, and other nutrition products. Our patented and proprietary manufacturing process ensures the highest volume of supply at the lowest cost of production, delivering PQQ with both scale and savings for manufacturers.
The PureQQ® brand is owned and exclusively represented by HOWTIAN.
PureQQ® can be found in a variety of popular consumer product brands such as Swanson, Doctor’s Best, and many more.
HOWTIAN USA
HOWTIAN® is the manufacturer and global market representative for PureQQ® Pyrroloquinoline Quinone products.