Feeling tired and fatigued are signs of low levels of vitamin D, even when one appears to have adequate rest.
The more often a person falls ill, the more probable it is that the immune system is compromised by low vitamin D levels.
Vitamin D deficiency can cause muscle weakness, pain, and even increase the risk of falls.
Chronic lower back pain may be associated with inadequate muscle support due to vitamin D deficiency.
Another thing that vitamin D deficiency can do is to disrupt the hair growth cycles, leading to hair thinning or even hair loss.
People with a low level of vitamin D will have more chance of gaining weight or even suffer from obesity.
Vitamin D deficiency could cause or exacerbate skin inflammation in eczema.
Vitamin D keeps the gums healthy, and a deficiency may cause inflammation of the gums or periodontitis.
Recurrent urinary tract infections may be linked to low vitamin D levels and diminishing immune protection.