Careful. It's true that natto contains high levels of PQQ (as well as of menaquinone-7, a form of vitamin K2 (but not the same as menatetrenone (MK-4), the mammalian isoform which has been documented in clinical trials to reduce fracture risk). However, nattokinase is an enzyme found in natto, not the food itself, and even supplements made using crude extracts contain negligible amounts of PQQ, and AOR's pharmaceutical-grade nattokinase supplement contains none, precisely because of its purity.have you looked into Nattokinase as a possible source of PQQ? I did a bit of research, which offers some intriguing clues- "PQQ is mostly contained in common foods; comparatively in large quantities in natto (fermented soybeans)".
Damn, it is an excellent site in general, lots of great products under one roof. Will they be selling pyrrolloquinone quinone?
As previously noted, OrthoCore (currently out in Canada; available in the USA in April) contains PQQ, as will some other forthcoming supplements, although we have no plans for a stand-alone PQQ at present.
To your health!
AOR
