Is Vitamin B12 228 normal, high or low? What does Vitamin B12 level 228 mean?

📅 Medical Review Date: November 18, 2025

Your Vitamin B12 level of 228 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	215.811
5-10 years	220.731
10-15 years	225.764
15-20 years	230.911
20-25 years	236.176
25-30 years	241.561
30-35 years	247.069
35-40 years	252.702
40-45 years	258.464
45-50 years	264.357
50-55 years	270.384
55-60 years	276.549
60-70 years	282.854
70-80 years	289.303
80-90 years	295.899
90-100 years	302.645
>100 years	309.545

*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	215.955
5-10 years	221.026
10-15 years	226.217
15-20 years	231.529
20-25 years	236.966
25-30 years	242.531
30-35 years	248.227
35-40 years	254.056
40-45 years	260.022
45-50 years	266.128
50-55 years	272.378
55-60 years	278.775
60-70 years	285.322
70-80 years	292.023
80-90 years	298.881
90-100 years	305.9
>100 years	313.084

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