Is Vitamin D 40 low, normal or dangerous? What does Vitamin D level 40 mean?

Your Vitamin D level of 40 is a Low Vitamin D level.

Low Vitamin D levels may indicate underlying health problems. The normal range is typically between 75 nmol/L and 250 nmol/L. If your levels are outside this range, it's important to speak with a healthcare provider. Consulting a doctor is recommended to determine the cause and appropriate next steps.

The normal Vitamin D range for men is :75 - 250 nmol/L

Ideal values of Vitamin D depending on age (male) :

Age	Ideal Vitamin D value
<5 years	78
5-10 years	81.12
10-15 years	84.365
15-20 years	87.74
20-25 years	91.25
25-30 years	94.9
30-35 years	98.696
35-40 years	102.644
40-45 years	106.75
45-50 years	111.02
50-55 years	115.461
55-60 years	120.079
60-70 years	124.882
70-80 years	129.877
80-90 years	135.072
90-100 years	140.475
>100 years	146.094

*Ideal values are calculated based on our database of patient records

Get Advice via Email : Send us your blood test report, and our Vitamin D experts will review it. You'll receive a detailed analysis and personalized treatment guidance via email within 12 hours. If you have additional blood test results besides Vitamin D, please include those too—an accurate diagnosis often requires a full view of all abnormalities. Upload blood test report now

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A video message on the treatment of your low Vitamin D level

If you want your blood test report to be interpreted by Vitamin D specialist, you can upload your report. Our Vitamin D expert will provide you with the most accurate interpretation of your blood test results and treatment within 12 hours.Upload blood test report now

Some examples of conditions that increase or decrease Vitamin D levels include:

• Liver disease
• Celiac disease
• Your body isnt properly absorbing or using vitamin D.
• Crohn's disease
• Kidney disease

Receive world-class medical opinion about your low Vitamin D levels over email.Upload blood test report now

Normal range of Vitamin D found among women :75-250 nmol/L

Ideal values of Vitamin D depending on age (female) :

Age	Ideal Vitamin D value
<5 years	78.09
5-10 years	81.307
10-15 years	84.657
15-20 years	88.145
20-25 years	91.777
25-30 years	95.558
30-35 years	99.495
35-40 years	103.594
40-45 years	107.862
45-50 years	112.306
50-55 years	116.933
55-60 years	121.751
60-70 years	126.767
70-80 years	131.99
80-90 years	137.428
90-100 years	143.09
>100 years	148.985

If you take a Vitamin D blood test and the results are not in the normal range (75-250 nmol/L), your physician may recommend more tests to figure out the problem. You might also get this test if your physician thinks you have some other disease.

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How the Vitamin D Test Is Done :

When your doctor orders a Vitamin D test, it involves a straightforward blood draw to measure your Vitamin D levels. A pathologist or lab technician will take a small sample of blood from a vein using a needle. Your Vitamin D test results are usually available within a few hours.