These appear to be state charges. I don't know about Tennessee.
For those interested in federal law on the topic, see
FDA, Warning Letter No. 668918, to Synthetix Inc. DBA Helix Chemical, No. Supply (Feb. 7, 2024).
Violation of the federal laws on the subject is punishable criminally. 18 U.S.C. § 333.
The federal government appears largely apathetic about these cases because it has issued warning letters in cases where it could have pursued criminal prosecution.
Still if you're selling peptides, be careful. Speak to an attorney familiar with the sale of GLP-1 drugs supposedly for research purposes.