Signs that your body needs vitamin D and how to get it

2. Hair loss

Long-term hair loss can be a sign of vitamin D deficiency (5). If you are experiencing hair loss, especially in autumn and winter, when our body is less exposed to the sun, you should consider checking your vitamin D levels.

The fact is that a lack of vitamin D causes the hair follicles to age prematurely so that they are unable to properly restart a new cornification cycle.

It is assumed that this factor interacts with the other classically listed hair loss factors: heredity, stress, iron anemia, thyroid problems…