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A 40-year-old member asked:

How low does your level of vitamin d have to be before it is considered severely low?

1 doctor answer2 doctors weighed in
Dr. Kenneth Merriman
Orthopedic Surgery 47 years experience
Less than 10: A value of < 10 ng/ml is usually considered low when I am treating patients I am usually shooting for a level of >50 and <100 usual dose is 1000iu/25 # body wt per day.

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A 29-year-old member asked:

I have severely low levels of vitamin d. What is the problem?

1 doctor answer1 doctor weighed in
Dr. Philip Kern
Endocrinology 43 years experience
Common problem: Low vitamin d levels are much more common now than in years past. This is likely due to less sun exposure and low vit d intake. However it is also possible that you are malabsorbing vit d, such as from chronic diarrhea or other GI disorders. You should take supplements and have it rechecked. It is important for bone health.
Riverview, MI
A 69-year-old female asked:

Is 28 considered a low vitamin d reading?

1 doctor answer1 doctor weighed in
Dr. Bernard Seif
Clinical Psychology 40 years experience
Vitamin D level: Yes, 28 is low if measured by the usual lab range beginning at 30. Please do what your doctor says but the experts on vitamin D research suggest between 50 and 80 for a lab reading. Some docs are not familiar w/that and when they see it 30 and above say it is ok. It may be ok but it's not the best. Peace and good health.
United Kingdom
A 39-year-old female asked:

I am severely vitamin d deficient. Levels are 8. What does this mean for me health wise?

1 doctor answer2 doctors weighed in
Dr. Philip Kern
Endocrinology 43 years experience
Bone health, plus..: You need Vit D to absorb calcium, and low Vit D is associated with bone disease; rickets in its most severe form. This is very common since most of us don't get good sun exposure. Low Vit D is also associated with obesity, diabetes, depression, heart disease, muscle problems and many other things, but the precise "cause/effect" is not clear.
A 36-year-old member asked:

What is a low level of vitamin d?

1 doctor answer1 doctor weighed in
Dr. Bac Nguyen
Family Medicine 23 years experience
Less than 30 ng/ml: The normal vitamin d level ranges from 30-80ng/ml (may vary somewhat in different lab). Thus, level less than 30 is considered deficient. I have tested many patients and have never seen anyone having above 65ng/ml--i gues because we generally don't get get enough sun exposure and/or not getting adequate intake from diet. Consult doc. Good luck... Ng/ml=nanogram/milliliter.
A 35-year-old member asked:

What will happen when your vitamin d level is low?

1 doctor answer1 doctor weighed in
Dr. Randy Baker
Holistic Medicine 40 years experience

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Last updated Apr 6, 2013

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