Chlorine Dioxide has been approved for use by the FDA, USDA, EPA, and CDC.

 

FDA

“Chlorine dioxide (CDO) may be safely used in food in accordance with the following prescribed conditions:”

FDA LINKĀ 

USDA

“For use as an anti-microbial pesticide, sanitizer and/or disinfectant for fruits and vegetables. CDO gas is used in post-harvest handling for the direct treatment of fruits, vegetables and nuts during storage, transportation and food preparation applications to reduce spoilage and pathogenic organisms with no requirement for post treatment rinse. CDO acts as a killing agent of pathogenic organisms.”

USDA LINK

EPA

“Chlorine dioxide and chlorite are strong oxidizing agents used as drinking water disinfectants and to bleach textile and wood pulp for paper manufacturing. In general, human ingestion studies have found no adverse effects in adults and neonates living in areas with chlorine dioxide-disinfected water”

EPA LINK

CDC

“This Public Health Statement is the summary chapter from the Toxicological Profile for Chlorine Dioxide and Chlorite. It is one in a series of Public Health Statements about hazardous substances and their health effects.”

CDC LINK