> The problem is that the gap between a medicinal dose and a toxic dose is very small
What's this claim based on? I don't think it's the rat study linked nearby. I looked through it and they didn't really compare doses.
If it's a linear effect on dropping blood pressure, that seems like an overblown way to talk about it. If it's something else, I'd love to hear more.
I also wondered why, if it has this effect, it has not been purified to a standard concentration (or synthesized) and used to treat high blood pressure. Possibly because accidental overdose can be fatal?
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If you maintain the pairing with the statement about the concentration in the honey varying, it's somewhat harder to argue that it is overblown.
The concentration varies considerably due to bees harvesting pollen from different flowers and from some batches of honey being mixed and some not.