Yes, it has been approved safe by the U.S. Food and Drug Administration (FDA) and European Food Safety Authority (EFSA), as well as the Joint FAO/WHO Expert Committee on Food Additives (JECFA).
FDA
Sodium gluconate is generally recognized as safe (GRAS) when used as a sequestrant in food. (6)
EFSA
Sodium gluconate (E576) is listed in Commission Regulation (EU) No 231/2012 as an authorised food additive and categorized in “ additives other than colours and sweeteners” (7).
http://www.chinafooding.com/Sodium_Gluconate
PR
