essential vitamins

Those vitamins that are considered essential nutrients.

There is a consensus for 13 (most) of them: vitamin A, thiamin, riboflavin, vitamin B3, pantothenic acid, vitamin B6, biotin, vitamin B9, vitamin B12, vitamin C, vitamin D, vitamin E, and vitamin K.

It should be noted that vitamin D is synthesized by the human skin when exposed to sunlight.

Some sources add choline.