WHAT IS CO ENZYME Q10 (COQ10)? Co Enzyme Q10, more commonly referred to as Co Q10, is found in almost every cell in the body. Co Q10 plays a role in producing energy in the mitochondria. Co is an abbreviation of cofactor, meaning that it’s a cofactor which other enzymes require for their own function. BULK POWDERS™ Co Enzyme Q10 is of the highest quality –each batch of Co Q10 has a Certificate of Analysis (COA) displayed on this product page (to the side of product image). Co Q10 can be