I'm Dutch and live here. But my wife is American. If I ever happen to live in the US (chances are there in my lifetime). I'm going to employ this strategy.
I don't trust the US with this and the Netherlands has proven itself to me in this sense. There are probably many more European countries that do this well. I'm simply not changing a winning team.
But I'd love to hear from other people that believe they found a good melatonin supply in a country. I'm curious.
I unfortunately need a lifetime supply. I almost take it every day. So 0.3 mg * 300 days * 100 years = 9 grams of melatonin.
I don't expect to live 100 years but it's handy to have a bit of an oversupply.
Amazon requires random sampling confirmation for supplements from independent labs though, so anything officially listed in a supplement category should be reliable.
While that may not help with the arguments over the correct dosage, it at least means you can trust the ingredients and dosage on the label isn't a lie. A random mail order supplement or bulk powder seller on Amazon...not so much.
Which is some entity who cares, or who would approve plutonium as a school lunch if the factory paid enough?
https://www.usp.org/about/usp-convention
I will actually point out an amusing note about Walmart's pharmacy services - you find them in weird places. https://www.delta.com/us/en/careers/corporate-careers
Towards the bottom of the page at Delta's careers page you'll note that Delta's headquarters in Atlanta has a Walmart Pharmacy in it. Delta is essentially signalling to its constantly moving employees that you're more likely to find a Walmart near an airport than a CVS or a Walgreens (especially in super-rural America) and that pharmacy is a constant stream of pilots and flight attendants grabbing refills on their way through.
https://aasm.org/study-finds-that-melatonin-content-of-suppl...