Vitamin D deficiency

Vitamin D is one of the fat-soluble vitamins, along with A, E, and K.
A growing number of parents choose to opt out of giving children their daily dose of milk, and switching to alternatives like almond milk or cashew milk.
There is this unsubstantiated, but widely believed, notion that vitamins and supplements are a panacea. In fact, a multi-billion dollar industry serves to support and perpetuate this often faulty, overly auspicious claim.