China has strengthened the source supervision of imported frozen foods[1] ferrous fumarate vs iron pyrophosphateever since theme iron vs ferrous bisglycinatehe positside effects of taking ferrous gluconateive testing of Coronavirus found on a chopping board[2] used to cut imported salmon in June 2ferrous gluconate formula020, and other similar cases that followed. To prevent and control the Covid-19, on October 22, NHC department (China&39;s National Health Commission) released two technical guidelines[3] to govern the production aferrous fumarate 60nd operation process of foods subject to cold chain* management. It indicated that food enterprises should reinforce the source control and guarantee the traceability of foods.