Vitamin D Deficiency: 7 Warning signs you shouldn't ignore

A persistent lack of vitamin D may be the cause of your muscle aches and pains.
 

Insufficient Vitamin D may be the cause of a wound's slow healing.
 

A severe vitamin D deficiency may be a major factor in noticeable thinning or hair loss.
 

A vitamin D deficiency may be the cause of a compromised immune system that leaves you more vulnerable to illnesses.
 

Low vitamin D levels can cause lower back pain and stiffness related to the bones.
 

Low vitamin D levels may be indicated by persistent fatigue and weakness in the muscles.