Still think they are not after "supplement industry"?
"FDA may block consumer sales of pure or near pure bulk caffeine to consumers after two deaths"
This line alone should tell you all that you need to know...
"This guidance does not affect other types of products that might also contain caffeine, such as prescription or over-the-counter drugs or conventional foods, like traditionally caffeinated beverages"
https://www.fda.gov/NewsEvents/Newsroom/PressAnnouncements/ucm604485.htm
"FDA may block consumer sales of pure or near pure bulk caffeine to consumers after two deaths"
This line alone should tell you all that you need to know...
"This guidance does not affect other types of products that might also contain caffeine, such as prescription or over-the-counter drugs or conventional foods, like traditionally caffeinated beverages"
https://www.fda.gov/NewsEvents/Newsroom/PressAnnouncements/ucm604485.htm