What foods are rich in vitamin D?

The remarkable thing about vitamin D is that you don't need it from food at all if you're getting out in the sun because our skin can manufacture it.

And that's obviously quite novel. But when you are getting it from food, the single best place to get it is fortified dairy products.

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Vitamin D is one of those nutrients that you find mostly in animal foods as opposed to plant foods. So although there are many arguments

for eating a mostly plant-based diet and even an entirely plant-based diet, it would be hard to get enough vitamin

D without supplementing if you did that or without getting enough sun exposure. The remarkable thing about vitamin D

is that you don't need it from food at all if you're getting out in the sun because our skin can manufacture it. And that's obviously quite novel.

But when you are getting it from food, the single best place to get it is fortified dairy products. There was actually a public health intervention

in the early days of the 20th century that put vitamin D into dairy products because at the time, there was epidemic rickets, essentially

a serious condition of vitamin D deficiency in children leading to stunting of growth. In addition to fortified dairy products,

there are other products these days that are fortified with vitamin D more and more. Many of those will sport announcements on the front of the package declaring

that because it's kind of the darling, darling nutrient of the day. And then we can also get vitamin D to some extent from meat and poultry,

and in particular from fish and seafood. [AUDIO LOGO]