They are practically OTC everywhere in the world. A huge pain in the add to get in the US where the MD cartel engages in rent seeking by claiming every pharmaceutical is dangerous and they need $200 every quarter to let you buy the meds at hyper inflated prices.
Well, sure, but the solution to that is to make it OTC or added to the list of medications that pharmacists are allowed to prescribe by themselves. That way the medication dispensed is still coming from an authorized and inspected facility with adequate quality control. Mixing it with dodgy supplements is not the solution.
