I already take vitamin k (along with d3) supplement. I recently bought a nattokinase supplement. Does that give me the full range of whatever it is that nattokinase provides?
It seems to me that you are confusing the food natto with the enzyme nattokinase. Vitamin K & nattokinase is most of what’s good for you in the food natto, but there are other things https://draxe.com/nutrition/natto/