Is Vitamin B12 150 low, normal or dangerous? What does Vitamin B12 level 150 mean?

📅 Medical Review Date: April 5, 2026

Your Vitamin B12 level of 150 is a Low Vitamin B12 level.

Low 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	214.165
5-10 years	217.377
10-15 years	220.638
15-20 years	223.948
20-25 years	227.307
25-30 years	230.717
30-35 years	234.178
35-40 years	237.691
40-45 years	241.256
45-50 years	244.875
50-55 years	248.548
55-60 years	252.276
60-70 years	256.06
70-80 years	259.901
80-90 years	263.8
90-100 years	267.757
>100 years	271.773

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

Misdiagnosis is more common than people think—and the consequences can be serious. Delayed treatment, unnecessary medication, or worse. If you want a second opinion on your blood work, one option is to upload it to a site like wholebodyprotocol.com, where world-class doctors review your results. They charge a small fee—around $90 (though you'll want to check the latest price as it fluctuates)—and email you a detailed report. With over 12 million people affected by misdiagnosis every year, that little bit of extra peace of mind can go a long way.

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

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

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	214.26
5-10 years	217.57
10-15 years	220.931
15-20 years	224.344
20-25 years	227.81
25-30 years	231.33
30-35 years	234.904
35-40 years	238.533
40-45 years	242.218
45-50 years	245.96
50-55 years	249.76
55-60 years	253.619
60-70 years	257.537
70-80 years	261.516
80-90 years	265.556
90-100 years	269.659
>100 years	273.825

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