- Problematic skin
Vitamin D deficiency can cause skin issues, such as eczema. Studies have shown that increased sunlight exposure or a vitamin D supplement can reduce the symptoms with this inflammatory skin condition. Since vitamin D reduces inflammation, low levels may also contribute to worse acne.
If you are experiencing many of the symptoms above, you should spend a minimum of 15 to 30 minutes outside each day, depending on the season, where you live, and your skin type.