What actually happens if my vitamin D is low?
Answered by the AskDoc Medical Team · Medically reviewed under our Medical Director, MBBS
Real deficiency thins bones over years, aches muscles and bones, saps energy, and in severe cases softens bone outright. Indoor lives, covered clothing, darker skin at high latitudes and older age drive most of it.
Supplementing corrects a proven deficiency cheaply and matters especially for bones alongside calcium from food.
What vitamin D does not do is live up to the everything-cure reputation; trials keep disappointing beyond bone and deficiency correction. Test if you have risk factors or symptoms, treat the number found, and recheck after three months rather than megadosing on faith.
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If a blood test shows you are low, a daily D3 tablet fixes it cheaply. Indoor-heavy lives and covered clothing make deficiency common. Test first; more is not better.
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