they say in a reply that they think the difference they notice is caused by folate (aka vitamin B9) deficiency, but many vegans take supplements and get blood tests to avoid having any deficiencies in the main nutrients. so maybe they’re only noticing vegans who don’t take supplements (that contain b9).
so maybe they’re only noticing vegans who don’t take supplements (that contain b9).
This seems reasonable—I think they have casually tested it among friends (they’re in the berkeley rationalist circle iirc). But if someone is vegan and supplements correctly, they likely wouldn’t guess that they’re vegan to start with
have they tested that?
they say in a reply that they think the difference they notice is caused by folate (aka vitamin B9) deficiency, but many vegans take supplements and get blood tests to avoid having any deficiencies in the main nutrients. so maybe they’re only noticing vegans who don’t take supplements (that contain b9).
This seems reasonable—I think they have casually tested it among friends (they’re in the berkeley rationalist circle iirc). But if someone is vegan and supplements correctly, they likely wouldn’t guess that they’re vegan to start with