Exactly! It's a very strange arguement.
I never stopped. Can't imagine how deficient our darker skinned folk are going to be as they're largely deficient with a good summer.
Sources of vitamin d
Cod liver oil
Salmon
Swordfish
Tuna fish
Orange juice fortified with vitamin D
Dairy and plant milks fortified with vitamin D
Sardines
Beef liver
Egg yolk
Fortified cereals