Is Vitamin D 64 low, normal or dangerous? What does Vitamin D level 64 mean?

📅 Medical Review Date: September 5, 2025

Your Vitamin D level of 64 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	79.8
5-10 years	84.907
10-15 years	90.341
15-20 years	96.123
20-25 years	102.275
25-30 years	108.821
30-35 years	115.786
35-40 years	123.196
40-45 years	131.081
45-50 years	139.47
50-55 years	148.396
55-60 years	157.893
60-70 years	167.998
70-80 years	178.75
80-90 years	190.19
90-100 years	202.362
>100 years	215.313

*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

1,51,150

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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	79.944
5-10 years	85.214
10-15 years	90.831
15-20 years	96.819
20-25 years	103.201
25-30 years	110.004
30-35 years	117.255
35-40 years	124.984
40-45 years	133.223
45-50 years	142.005
50-55 years	151.366
55-60 years	161.344
60-70 years	171.98
70-80 years	183.317
80-90 years	195.401
90-100 years	208.282
>100 years	222.012

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.

Medical References

• MedlinePlus – Vitamin D Test
• MedlinePlus – 25-hydroxy vitamin D test
• Mayo Clinic – 2425D - Overview: 25-Hydroxyvitamin D:24,25-Dihydroxyvitamin D Ratio, Serum