Why is there a Vitamin K but no Vitamin F?

Submitted ⁨⁨1⁩ ⁨year⁩ ago⁩ by ⁨fossilesque@mander.xyz⁩ to ⁨science@mander.xyz⁩

https://www.nationalgeographic.com/science/article/vitamin-names-vitamine-beriberi-nutrition