The Vitamin B12 Test is available as part of 12 certified Thyrocare packages. Compare test counts, included organ profiles, and package pricing below. Click Book Now on any package to instantly reserve your home sample collection:
🧪 Couple & Family Offer
92 Tests
₹2,200
₹4,400
Save 50%
- ✓ ₹1,100/person (Min 2 persons)
- ✓ Fasting: 10-12 Hours
- ✓ Doorstep home sample collection
- ✓ Pathologist certified report
⭐ Recommended
66 Tests
₹1,099
₹1,399
Save 21%
- ✓ Includes Vitamin B12 Test
- ✓ Fasting: 10-12 Hours
- ✓ Doorstep home sample collection
- ✓ Pathologist certified report
🧪 Health Checkup
78 Tests
₹1,549
₹2,200
Save 28%
- ✓ Includes Vitamin B12 Test
- ✓ Fasting: 10-12 Hours
- ✓ Doorstep home sample collection
- ✓ Pathologist certified report
💡 Best Value
122 Tests
₹1,599
₹6,000
Save 73%
- ✓ Includes Vitamin B12 Test
- ✓ Fasting: 10-12 Hours
- ✓ Doorstep home sample collection
- ✓ Pathologist certified report
🧪 Health Checkup
127 Tests
₹1,799
₹2,200
Save 18%
- ✓ Includes Vitamin B12 Test
- ✓ Fasting: 10-12 Hours
- ✓ Doorstep home sample collection
- ✓ Pathologist certified report
🧪 Health Checkup
106 Tests
₹2,026
₹6,000
Save 66%
- ✓ Includes Vitamin B12 Test
- ✓ Fasting: 10-12 Hours
- ✓ Doorstep home sample collection
- ✓ Pathologist certified report
🧪 Health Checkup
83 Tests
₹2,399
₹3,180
Save 25%
- ✓ Includes Vitamin B12 Test
- ✓ Fasting: 10-12 Hours
- ✓ Doorstep home sample collection
- ✓ Pathologist certified report
🧪 Health Checkup
107 Tests
₹2,750
₹4,564
Save 40%
- ✓ Includes Vitamin B12 Test
- ✓ Fasting: 10-12 Hours
- ✓ Doorstep home sample collection
- ✓ Pathologist certified report
🧪 Health Checkup
110 Tests
₹2,750
₹4,399
Save 37%
- ✓ Includes Vitamin B12 Test
- ✓ Fasting: 10-12 Hours
- ✓ Doorstep home sample collection
- ✓ Pathologist certified report
🧪 Health Checkup
127 Tests
₹2,899
₹9,000
Save 67%
- ✓ Includes Vitamin B12 Test
- ✓ Fasting: 10-12 Hours
- ✓ Doorstep home sample collection
- ✓ Pathologist certified report
🛡️ Full Body Audit
136 Tests
₹4,599
₹5,499
Save 16%
- ✓ Includes Vitamin B12 Test
- ✓ Fasting: 10-12 Hours
- ✓ Doorstep home sample collection
- ✓ Pathologist certified report
🛡️ Full Body Audit
140 Tests
₹6,499
₹8,499
Save 24%
- ✓ Includes Vitamin B12 Test
- ✓ Fasting: 10-12 Hours
- ✓ Doorstep home sample collection
- ✓ Pathologist certified report
🛡️ Full Body Audit
149 Tests
₹7,499
₹9,999
Save 25%
- ✓ Includes Vitamin B12 Test
- ✓ Fasting: 10-12 Hours
- ✓ Doorstep home sample collection
- ✓ Pathologist certified report
💡 Tip: Blood collection is absolutely free of cost at serviceable addresses. Confirm your pincode and appointment slot before booking; city guides do not guarantee availability at every address. Explore our Aarogyam package comparison guide or calculate your body index with our Free BMI Calculator.
The Vitamin B12 Test is a critical diagnostic screen performed to evaluate key biomarkers in your blood. Regular testing plays a vital role in the early detection and management of health issues, ensuring you can take proactive control of your wellbeing.
The Vitamin B12 (Cobalamin) test measures circulating serum cobalamin levels, an essential water-soluble vitamin required for nerve myelin sheath synthesis, neurological stability, and healthy red blood cell production. Processed via automated chemiluminescence immunoassays in NABL accredited diagnostic labs, this test is crucial for vegetarians, vegans, seniors, and anyone experiencing unexplained tingling or fatigue. For a complete fatigue and vitality workup, pair your B12 test with a Vitamin D3 Test, a Complete Blood Count (CBC), or a comprehensive Complete Health Check with Vitamins. Explore our Vitamins & Micronutrients Hub and read our clinical overview on Vitamin B12 importance for neuropathy and energy.
The panel evaluates key biomarkers vital for understanding your physiological health:
| Parameter |
What It Shows |
Normal Reference Range |
|
Vitamin B12 (Cobalamin)
|
Active Vitamin B12 level in your blood serum |
200—900 pg/mL |
* Normal biological reference intervals may vary slightly according to age, gender, and clinical instrumentation. Reports must be evaluated in clinical context by a qualified physician. Learn more about our Medical Review Process and Editorial Policy.
Clinicians recommend the Vitamin B12 Test for individuals presenting with the following indications or health goals:
🧠
Brain Fog & Poor Memory
Cognitive fatigue from nerve stress; compare with concurrent Vitamin D deficiency.
👅
Sore Tongue & Mouth Ulcers
Inflamed tongue (glossitis); check for co-existing deficiencies with our iron and ferritin guide.
Preparing for your home blood test is fast, hygienic, and convenient:
🍽️ Fasting Protocol
Fasting is not required for this test; eat and drink normally. Read our comprehensive blood test fasting rules guide for detailed instructions on drinking water, morning coffee, and dinner timing.
💧 Hydration Rules
Drink ample plain water before your morning phlebotomy visit. Proper hydration plumps veins for gentle, painless blood draw without altering clinical biochemical values.
💊 Medication Guidelines
Continue routine blood pressure or thyroid medications unless specifically instructed otherwise by your doctor. Consult our diagnostic reporting guide on how common prescriptions affect blood panels.
1
Book Slot Online
Enter your pincode in the booking flow to check address-level collection availability and current appointment slots. City guides do not guarantee availability at every address.
2
Home Collection
A certified phlebotomist arrives at your home with fresh, sterile vacuum tubes adhering to NABL protocol.
4
Digital Smart Report
Verified PDF report delivered to your WhatsApp & email. Learn how to interpret findings in our diagnostic report guide.
❓ What is a Vitamin B12 test?
A Vitamin B12 test measures the amount of cobalamin in your blood. Vitamin B12 is critical for brain function, nerve health, and red blood cell production.
❓ Who should test for Vitamin B12 deficiency?
Vegetarians and vegans are at high risk because B12 is found mainly in animal products. Seniors, people with digestive disorders (like Celiac or Crohn's), and individuals experiencing tingling in hands/feet, fatigue, or memory loss should get tested.
❓ How much does a Vitamin B12 test cost at home?
A Vitamin B12 blood test with free home sample collection (blood collection is absolutely free of cost) starts from ₹ 1,090. Reports are processed at NABL-accredited diagnostic labs. Home collection availability depends on the exact address and selected slot. Enter your pincode in the booking flow to confirm; blood collection is absolutely free of cost at serviceable addresses.
❓ Is fasting required for Vitamin B12?
Fasting is not strictly required. However, morning sample collection is preferred, and you should ask your clinician whether Vitamin B12 supplements could affect your result; do not stop prescribed supplements without their advice. For detailed guidance on drinking water, morning coffee, or dinner timing, read our blood test fasting rules guide.
❓ What happens if Vitamin B12 is extremely low?
Severe Vitamin B12 deficiency can lead to megaloblastic anemia, permanent nerve damage (neuropathy), persistent fatigue, muscle weakness, mood changes, and memory loss.
