Are you talking about N-Acetyl Cysteine? Something like this?
https://www.swansonvitamins.com/swanson-premium-nac-n-acetyl...
When did it become illegal? I've used it before and was unaware of that.
https://www.swansonvitamins.com/swanson-premium-nac-n-acetyl...
When did it become illegal? I've used it before and was unaware of that.
Here is a story about the FDA and NAC: https://www.naturalproductsinsider.com/regulatory/crn-petiti...
Honestly, I haven't used NAC in ~2 years. Have just heard about the drama from friends.