Here's the list of non-organic substances allowed by USDA [1] and hopefully it means more to you than it does to me. [1] https://www.ecfr.gov/cgi-bin/text-idx?

Here's the list of non-organic substances allowed by USDA [1] and hopefully it means more to you than it does to me. [1] https://www.ecfr.gov/cgi-bin/text-idx?c=ecfr&SID=06b088e611c5f18a4d02ca9945a1c3dd&rgn=div8&view=text&node=7:3.1.1.9.32.7.354.2&idno=7 https://www.ecfr.gov/cgi-bin/text-idx?c=ecfr&SID=06b088e611c...