7 Signs of Vitamin D Deficiency: Symptoms That Can Go Unnoticed
Updated October 16, 2026 — Written by Dr. Shabbir Hussain, BPT, Registered Physiotherapist | Clinical Rehabilitation Specialist Quick Answer The most common 7 signs of vitamin D deficiency include persistent fatigue, muscle weakness, muscle aches, bone pain, muscle cramps, and mood changes. However, some people have low vitamin D levels without noticeable symptoms. A blood … Read more