Do you have any local free clinics around?

Call your county’s health department or social services dept and see where you could donate some of it. Others of it must be discarded, and a bit of it in accordance with ‘environmental standards’. The services mentioned above should be able to help you. Then….some of it mite have an expiration date… and just be safely ‘dumped’.
I wish it were simpler? It’s not. I worry about such things myself!