1010Rx
Longevity

Methylcobalamin B12 Injection

Injectable
Methylcobalamin B12 Injection

Methylcobalamin is an active form of vitamin B12.

4 mg · 1 mo · 5 Milliliter4 mg · 3 mo · 10 Milliliter
What’s included
  • Clinician consultation
  • Shipping, always free
  • Supplies and syringes where the treatment needs them
  • The same price at every dose
  • Message your clinician any time

Prescription items are subject to clinician review before dispensing. After checkout you will complete a medical intake form. A licensed physician reviews it, and if you are approved, your medication ships. Your clinician sets the exact dose during that review.

This is a prescription product and requires an evaluation by a licensed provider. Purchase does not guarantee a prescription, and if you are not approved you will not be charged for medication.

Availability varies by state. Not for use by anyone under 18. This information is not medical advice — talk to your provider about risks, side effects and interactions.

Multi-month plans renew automatically at the end of the term until cancelled. Cancel any time before renewal from your account.

Full safety information

What you’re taking

Methylcobalamin B12 Injection
01 · Mechanism
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1. Vitamin B12 Replacement

Provides methylcobalamin, a biologically active form of vitamin B12, to support adequate B12 status when supplementation is clinically appropriate.

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2. Red Blood Cell & Neurologic Support

Vitamin B12 is required for normal red blood cell formation and normal neurologic function.

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3. Cellular Metabolism

Vitamin B12 serves as a cofactor in essential metabolic pathways involved in DNA synthesis and cellular metabolism.

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02 · Benefits

What it’s for

Provides vitamin B12 by injection

Active methylcobalamin form of vitamin B12

Promotes normal red blood cell formation

Helps maintain normal neurologic function

Supports vitamin B12 dependent cellular metabolism

Clinician-directed dosing based on individual needs

Why Choose Injectable Vitamin B12?

Injectable Methylcobalamin delivers vitamin B12 without relying on gastrointestinal absorption. It may be appropriate when a clinician determines that injectable supplementation is preferable based on a patient's clinical needs, history, laboratory findings, or treatment plan.

03 · Timeline

What to expect, and when

• Use Methylcobalamin Injection exactly as prescribed by your clinician

• Dose, injection route, and frequency are individualized and will appear on your prescription label

• Follow the administration and storage instructions provided with your prescription

• Use a new sterile needle and syringe for each injection when self-administration is prescribed

• Rotate injection sites as instructed

• Do not increase the dose or frequency without medical guidance

• Keep medication and injection supplies out of reach of children and pets

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Two laboratory professionals in white coats reviewing results on a tablet beside a microscope

Same dose, different response

Your labs show why — and shape what comes next

Ferritin and ironthe most common reversible cause
Thyroidhair, skin and energy at once
Vitamin Ddeficiency is the default, not the exception
Testosterone and DHTthe hormonal side of the picture
hs-CRPinflammation, quietly
Liver and kidneywhat keeps your dosing safe
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