On June 20, 2023, the Japan Ministry of Health, Labour and Welfare (325 mg ferrous gluconateMHLW) annferrous fumarate weight gainounced to initiate an investigation ongalfer tabletsiron supplement gluconate 78 existing food additives from List of Existferrous bisglycinate iron contenting Food Additives. MHLW believed these 78 food additives are unlikely sold on the market. As of now, 132 additives have been identified in the four previous investigations and have finally been banned for use.