Vitamin D is taken, so for profit's sake I've got to get on the bandwagon with my own cure for a critical deficiency that I can market to people.
I've settled on the tragic disease of arachnoinsufficiency. No I just have to work on selling it.
https://freethoughtblogs.com/pharyngula/2018/08/20/i-gotta-start-hawking-a-supplement-of-my-own/