It’s not a particularly accurate or comprehensive history beyond the dates used. For one thing it really traces back to a single chemist in the Department of A

It’s not a particularly accurate or comprehensive history beyond the dates used. For one thing it really traces back to a single chemist in the Department of Agriculture in 1862, then through the Division of Chemistry which became the Bureau of Chemistry, before as mentioned the FDA was formed. I’d suggest reading a less biased account which goes into some of the more interesting details. Academic Scientists and the Pharmaceutical Industry: Cooperative Research in Twentieth-Century America is one such take but there’s others. That said, there has definitely been a lot of political influence applied to the FDA. The current loophole around supplements and effectively fraudulent alternative medicines being one such example.