I'm sure they used real chemists to help with the screenplays, but it's more akin to Michael Crichton levels of sophistry. I also recall reading that they had

I'm sure they used real chemists to help with the screenplays, but it's more akin to Michael Crichton levels of sophistry. I also recall reading that they had someone at the DEA to vet each episode to make sure they never gave out a workable recipe, but I can't find a source for that, that isn't SEO clickbait.