If you have limited melanin where does it go, your sun tan or substantia nigra? | Hacker News

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		_2uwr on March 4, 2023 \| parent \| context \| favorite \| on: Vitamin D supplementation and incident dementia If you have limited melanin where does it go, your sun tan or substantia nigra?

bigbillheck on March 4, 2023 [–]

I make melanin in my melanocytes.

Supermancho on March 5, 2023 | [–]

> I make melanin in my melanocytes.

It's a finite rate, which means there's a useful limit of production.

bigbillheck on March 5, 2023 | | [–]

I don't think the ones in my meninges are making it for my skin.

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