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  • Type: Individual Test

Vitamin B12

$35.00
 per 

The Vitamin B12 test measures the level of vitamin B12 in your blood, an essential nutrient for nerve function, red blood cell production, and DNA synthesis. Deficiencies in B12 can lead to anemia, fatigue, and neurological issues. This test is particularly important for individuals following a vegetarian or vegan diet or those with absorption issues. Understanding your B12 levels can help guide dietary changes or supplementation to support overall health.

Order now and you'll receive your lab requisition within 24 hours.

Test Preparation

  • Fasting (Overnight) is recommended for 10-12 hours, but not required

Test Type & Method

Test Type:

  • Blood


Test Method:

  • In-person Blood Draw

Post-Test Notes

  • Once your specimen is collected, test results are typically processed and available within a few business days. Processing times may vary depending on the test. Your results will be delivered in a clear, easy-to-understand report. If any values fall outside the expected range, you may receive a follow-up call from an independent healthcare coordinator.

View full details

Vitamin B12

$35.00
 per 

Lab Testing is Simple, Fast, and Convenient

Choose the individual test or lab panel that suits your health needs. You’ll receive your lab requisition within 24 hours. Visit any of the 3,000+ Quest Diagnostics centers using the button below. Once your sample is collected, your results will be securely delivered via email within 7–10 days.

View Quest Draw Locations

Lab Testing is Simple, Fast, and Convenient

Choose the individual test or lab panel that suits your health needs. You’ll receive your lab requisition within 24 hours. Visit any of the 3,000+ Quest Diagnostics centers using the button below. Once your sample is collected, your results will be securely delivered via email within 7–10 days.

View Quest Draw Locations
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