That’s true, and so is red meat, eggs, milk, and so on. But these sources of Vit D PALE in comparison to both the amount you need, and the amount you can produ

That’s true, and so is red meat, eggs, milk, and so on. But these sources of Vit D PALE in comparison to both the amount you need, and the amount you can produce just by being outdoors for a while. You’re right, though. Salmon is a one or two orders of magnitude better than the rest.