Is Vitamin B12 339 normal, high or low? What does Vitamin B12 level 339 mean?

📅 Medical Review Date: October 19, 2025

Your Vitamin B12 level of 339 is a Normal Vitamin B12 level.

Normal Vitamin B12 levels may indicate underlying health problems. The normal range is typically between 211 pg/mL and 911 pg/mL. 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 B12 range for men is :211 - 911 pg/mL

Ideal values of Vitamin B12 depending on age (male) :

Age	Ideal Vitamin B12 value
<5 years	218.153
5-10 years	225.548
10-15 years	233.194
15-20 years	241.099
20-25 years	249.272
25-30 years	257.722
30-35 years	266.459
35-40 years	275.492
40-45 years	284.831
45-50 years	294.487
50-55 years	304.47
55-60 years	314.792
60-70 years	325.463
70-80 years	336.496
80-90 years	347.903
90-100 years	359.697
>100 years	371.891

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

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Some examples of conditions that increase or decrease Vitamin B12 levels include:

• Crohn disease
• Ulcerative colitis
• Celiac disease
• Reduced stomach acid production
• Pancreatic insufficiency

Receive world-class medical opinion about your normal Vitamin B12 levels over email.Upload blood test report now

Normal range of Vitamin B12 found among women :211-911 pg/mL

Ideal values of Vitamin B12 depending on age (female) :

Age	Ideal Vitamin B12 value
<5 years	218.367
5-10 years	225.992
10-15 years	233.883
15-20 years	242.049
20-25 years	250.501
25-30 years	259.248
30-35 years	268.3
35-40 years	277.668
40-45 years	287.363
45-50 years	297.397
50-55 years	307.781
55-60 years	318.528
60-70 years	329.65
70-80 years	341.16
80-90 years	353.072
90-100 years	365.4
>100 years	378.159

If you take a Vitamin B12 blood test and the results are not in the normal range (211-911 pg/mL), 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 B12 Test Is Done :

When your doctor orders a Vitamin B12 test, it involves a straightforward blood draw to measure your Vitamin B12 levels. A pathologist or lab technician will take a small sample of blood from a vein using a needle. Your Vitamin B12 test results are usually available within a few hours.

Medical References

• WebMD – Vitamin B12 Blood Test: Uses, Normal Range, and Results
• NIH – Vitamin B12 - Health Professional Fact Sheet
• MedlinePlus – Vitamin B12 level