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Published June 25, 2026

Vitamin B12 Test Cost: What a Vitamin B12 (Cobalamin) Test Costs Across Labs

What a vitamin B12 test costs across direct-to-consumer labs, with draw fees factored in.

Last updated: August 19, 2026

Vitamin B12 Test Cost: What a Vitamin B12 (Cobalamin) Test Costs Across Labs

A vitamin B12 test checks your status of this essential vitamin, and advertised prices vary across direct-to-consumer labs. This page compares vitamin B12 test prices so you can find the lowest all-in cost.

Advertised vitamin B12 prices captured August 18, 2026

Mito price: $6.99 member / $9.79 non-member. Prices were checked August 18, 2026. The values shown use the lowest-priced active laboratory option. Check the vitamin B12 product page for the current price and laboratory available in your state. Competitor rows are dated evidence, not a promise that assays or result sets are identical.

Provider

Published item price

Collection fee

Membership

Comparison basis

Mito member

$6.99

Passed through at our cost and shown before payment

Active membership

Exact catalog item; lowest-priced active provider variant

Mito non-member

$9.79

Passed through at our cost and shown before payment

No membership required

Exact catalog item; same lowest-priced active provider variant

Goodlabs

$10

$12 per visit, included in the final checkout total

No membership requirement stated

Standalone total vitamin B12

Marek Diagnostics

$19

$10 added at checkout for an individual biomarker or custom panel

No membership required for the listed cash-pay offer

Standalone total vitamin B12

Mito prices were derived from the live catalog on August 18, 2026. Competitor prices and fee policies were checked the same day. State eligibility and laboratory availability can change the Mito variant and price shown. Confirm the final checkout amount, performing laboratory, and exact result composition before ordering.

Why vitamin B12 prices vary so much

Sellers can differ in performing laboratory, assay method, result composition, authorization, collection network, interpretation, and support. The item price is only one part of the total.

Compare the exact named test, included results, collection fee, membership requirement, state eligibility, and final checkout amount. Do not assume that two listings use the same assay or return the same result set.

What a vitamin B12 test measures

A vitamin B12 test measures the level of B12 (cobalamin) in your blood, a vitamin found mainly in animal foods that is needed for nerve health, DNA synthesis, and red blood cell formation. Low levels can cause fatigue, nerve symptoms, and anemia. For a full reference on what the result means and where healthy levels sit, see the vitamin B12 biomarker guide.

Are lower-priced vitamin B12 offers equivalent?

Not necessarily. Two offers can address the same testing question while using different performing laboratories, methods, units, provider intervals, or extra results. The collection and result services can also differ.

A lower price can still be the right choice when the exact offer matches what you need. Confirm the performing laboratory when disclosed, the result composition, and the final checkout total instead of treating price as proof of analytical equivalence.

All-in cost: test plus draw fee

Almost every lab adds a one-time draw fee on top of the vitamin B12 price, charged once per visit rather than per test. For a single inexpensive test that fee can be most of the bill, so compare the all-in total. If you add other markers to the same visit, that one draw fee is spread across all of them, which is where building a panel saves the most.

When should you get a vitamin B12 test?

People test B12 for fatigue, tingling or numbness, mood changes, or memory issues, and to check status on a vegetarian or vegan diet, with absorption problems, or on long-term metformin or acid-reducing medication. It is also used to confirm correction after supplementing.

Does insurance cover a vitamin B12 test?

When a doctor orders a vitamin B12 test for a medical reason, insurance often covers it, though some plans limit how often they will pay and you may still owe a copay or part of your deductible. The direct-to-consumer prices on this page are cash-pay and are not billed to insurance. For many people, especially on a high-deductible plan, paying out of pocket can be cheaper than the share they would owe through insurance. If you are testing for routine self-monitoring rather than to investigate symptoms, cash-pay is often the simpler and lower-cost route.

FAQs

  • How much does vitamin B12 testing cost? Mito currently charges $6.99 for members and $9.79 at the non-member rate for the lowest-priced active laboratory option. Check the live product page for the offer available in your state, then compare collection fees and exact result composition.
  • Do you need to fast for a vitamin B12 test? No. A vitamin B12 test does not require fasting.
  • Which vitamin B12 test should you order? A standard total B12 test is priced here and is the usual first test. If the result is borderline, an active-B12 or methylmalonic acid test can confirm a true deficiency. The B12 plus folate panel is a separate, more complete option.
  • Which vitamin B12 offer costs least? It depends on the active item price, per-visit fee, membership status, location, and exact test composition. Recheck checkout totals before ordering.
  • Do you need a doctor’s order for a vitamin B12 test? Not for the direct-to-consumer labs here. They include the test authorization, so you order online and visit a collection site without your own physician’s requisition.
  • How long do vitamin B12 results take? Most labs post vitamin B12 results within one to three business days of your draw, and often the next day.

Medical Disclaimer

This guide is for informational purposes only and does not constitute medical advice. Pricing is based on public provider pages checked August 18, 2026 and may change. The table is a dated comparison, not a claim of assay equivalence. Always verify current pricing and exact test details directly with each provider before making a purchasing decision.

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