Is 7ng/ml of vitamin D3 low for an adult? I recently got a blood test and it was 7ng. My doctor was very concerned, but how would it affect me? - Quora
Is it normal to be tired even if you just have a slight vitamin D deficiency? I take 10 ug everyday recommended by my doctor - Quora
![Low Vitamin D Levels and Low Vit D in Parathyroid Disease and Hyperparathyroidism. Low Vitamin D Is Not Good For You! Low Vitamin D Levels and Low Vit D in Parathyroid Disease and Hyperparathyroidism. Low Vitamin D Is Not Good For You!](https://www.parathyroid.com/images/vitamin-d-25-levelshyperparathyroidism.gif)
Low Vitamin D Levels and Low Vit D in Parathyroid Disease and Hyperparathyroidism. Low Vitamin D Is Not Good For You!
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