I think the key word is “comprehensive”. There are definitely federal regulations of heavy metals in food products. See: https://www.ecfr.gov/current/title-21

I think the key word is “comprehensive”. There are definitely federal regulations of heavy metals in food products. See: https://www.ecfr.gov/current/title-21/chapter-I/subchapter-B/part-172 https://www.ecfr.gov/current/title-21/chapter-I/subchapter-B... https://www.compliancegate.com/heavy-metal-regulations-united-states/ https://www.compliancegate.com/heavy-metal-regulations-unite...