The 11th of November each year marks China&39;s Single&39;sferrous sulfate gummies 325 mg day (also known as 11-11)chelated iron vs ferrous fumarate shopping festival. The event is the world&39;s largest single-day shopping festival. Total sales have giron as ferric pyrophosphaterferrous sulfate vs ferrous gluconateown over 4000% since the inaugural single&39;s day just over a decade ago. Here is an infographic to show food sales on Sinvitacost chelated irongle&39;s Day this year.