Comment by BurningFrog

Technically true, but you should still eat vitamin D supplements.

It's very cheap and safe, so worst case it has less effect than you hope. You can overdose, but you have to really crazy with the dosage.

Also 1: Vitamin D supplements do cure rickets.

Also 2: All of us who eat supplements should show up in the stats as high in vitamin D, so the data does partially cover that case.