It's possible, and even a good idea, to say that the FDA massively overregulates drug trials, while at the same time also say that the current supplement market is almost just as massively underregulated, and would be far healthier with more oversight. Organizations, just like people, can do good and bad things at the same time.
I am very happy they crack down on supplements, a kind of product that is filled with fraud and that I lack the resources to make informed purchases on. I would also be just as happy if they started cross-approving drugs with the EU and Australia. They are neither angels nor the devil.
You're only taking them voluntarily if they are what they say they are, if as in this case they aren't you aren't meaningfully taking them voluntarily.
If you understand how tough it is in one case, think how many trails yearly never get done because of the FDA.
The amount of benefit vs. the amount of deaths caused by the FDA being slow likely means many more are deaths at the hands of the FDA than you expect.
Cracking down on supplements that people take voluntary hardly seems like something I’m pleased they meddle with too.