Is Vitamin B12 660 normal, high or low? What does Vitamin B12 level 660 mean?

📅 Medical Review Date: May 26, 2026

Your Vitamin B12 level of 660 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	224.926
5-10 years	239.771
10-15 years	255.596
15-20 years	272.465
20-25 years	290.448
25-30 years	309.618
30-35 years	330.053
35-40 years	351.836
40-45 years	375.057
45-50 years	399.811
50-55 years	426.199
55-60 years	454.328
60-70 years	484.314
70-80 years	516.279
80-90 years	550.353
90-100 years	586.676
>100 years	625.397

*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

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	225.344
5-10 years	240.663
10-15 years	257.023
15-20 years	274.495
20-25 years	293.155
25-30 years	313.084
30-35 years	334.367
35-40 years	357.097
40-45 years	381.372
45-50 years	407.298
50-55 years	434.986
55-60 years	464.556
60-70 years	496.137
70-80 years	529.864
80-90 years	565.884
90-100 years	604.353
>100 years	645.437

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