PQQ can be detected in the internal organs, reproductive organs, and body fluids of the human body. Number of organs required; In bodily fluids or secretions, the content of PQQ (and its derivatives) in breast milk can be as high as tens of times higher than that in general food. The resource tilt is reasonable, and PQQ plays an important role in the growth and development of newborns

Foods rich inPQQare not surprisingly high nutritional value foods:natto, parsley, green tea, oolong tea, kiwifruit, etc.; In addition, a small amount of PQQ was also detected in eggs and skim milk

With the increasing research on the health benefits of PQQ in daily food, the levels of nanograms (ng) in daily food are no longer sufficient to meet the demand