vitamin D deficiency symptoms Here’s a surprise that catches many Jamaicans off guard: vitamin D deficiency is common even here, in one of the sunniest places on earth. Vitamin D does far more than people realise it’s essential for strong bones, a healthy immune system, muscle function, and mood yet low levels often go unnoticed because the symptoms are vague and easy to blame on something else. This guide explains what vitamin D does, the warning signs of deficiency, the sim
