However, it’s not all roses. Try getting melatonin in the UK. You can buy it almost anywhere in the US. Same for any first generation antihistamines. Or a jar of painkillers - packets are limited to 16 here. Or lidocaine cream. Whenever I go to the US, I have a shopping list to restock our medicine cabinet.
That's a very selective example. The US controls TONS of hormones, Melatonin just got grandfathered in. If anything the UK system is more self-consistent than the US, even if I think both systems over-protect hormones with a low risk profile (like Melatonin in the UK). As a counter-example, up until fairly recently you could buy Co-codamol (codeine, an opioid) in the UK off-the-shelf (i.e. no script). Which is a cont…
One big benefit, though, is you can legally import or bring in POMs from overseas, a luxury the US does not have.