*Actual vial appearance, contents, and dosage may vary and is based on your prescription.

B12 (Methylcobalamin)

Methylcobalamin is a bioactive form of vitamin B12 that plays a critical role in cellular energy metabolism, neurologic function, and red blood cell formation. Unlike cyanocobalamin, methylcobalamin is already in a metabolically active form and participates directly in methylation pathways and nervous system signaling. Injectable administration bypasses gastrointestinal absorption, allowing for direct systemic availability. (pubmed.ncbi.nlm.nih.gov)

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Available in 48 states (excluding Alabama and Mississippi)
No hidden membership, consultation, or shipping costs
Care reviewed by a licensed provider in your state
Prescription issued only when clinically appropriate

Educational only; not guaranteed outcomes.

Supports Cellular Energy Metabolism

Vitamin B12 is an essential cofactor in mitochondrial energy production and plays a role in converting nutrients into usable cellular energy.
(pubmed.ncbi.nlm.nih.gov)

Supports Neurologic & Nerve Function

Methylcobalamin has been studied for its role in nerve regeneration, myelin sheath maintenance, and neurologic signaling pathways.
(pubmed.ncbi.nlm.nih.gov)

Supports Red Blood Cell Formation

Vitamin B12 is required for DNA synthesis and red blood cell production, supporting normal hematologic function.
(pubmed.ncbi.nlm.nih.gov)

Supports Cognitive & Mood-Related Pathways

B12 participates in methylation processes involved in neurotransmitter synthesis and homocysteine regulation, which have been explored in cognitive and mood-related research.
(pubmed.ncbi.nlm.nih.gov)

Supports Metabolic & Cardiovascular Pathways

Adequate vitamin B12 status has been associated with homocysteine metabolism and broader metabolic health markers.
(pubmed.ncbi.nlm.nih.gov)

Initial 3-month care period
Designed to support continuity, monitoring, and consistency of care
Ongoing care options available following the initial period, with the ability to manage or discontinue thereafter

Clinical review typically completed within 24 hours
Pharmacy processing may take 2–7 business days, depending on availability
Once dispensed, medication is shipped via 2-day delivery

Prescriptions are issued by licensed healthcare providers based on an individual clinical evaluation and medical eligibility. Compounded injectable formulations are not FDA-approved, and their safety and effectiveness have not been independently evaluated by the FDA.

This information is provided for educational purposes only and is not intended to diagnose, treat, cure, or prevent any disease.

Important Note:

Information provided is for educational purposes only and does not constitute medical advice. All care and prescriptions are provided solely at the discretion of a licensed healthcare provider following an individual evaluation.

Methylcobalamin and Neurologic Function

Okada K, et al. — Role of methylcobalamin in nerve regeneration and neurologic disorders.

Vitamin B12 and Energy Metabolism

O’Leary F, Samman S. — Vitamin B12 in energy and mitochondrial metabolism.

B12 and Red Blood Cell Formation

Andrès E, et al. — Hematologic manifestations of vitamin B12 deficiency.

Vitamin B12, Homocysteine, and Cognitive Pathways

Smith AD, Refsum H. — Homocysteine, B vitamins, and cognitive decline.

Clinical Review: Vitamin B12 Supplementation and Cardiometabolic Health

Clarke R, et al. — B vitamins and homocysteine lowering.

NIH Office of Dietary Supplements

Vitamin B12 Fact Sheet

GLP 1 + B12

I appreciated how everything was explained clearly, step by step, from the very beginning. The process never felt rushed or confusing, and there was no pressure at any point. Instead, the guidance helped me understand my options and feel comfortable moving forward at my own pace.

A Celara Med User

GLP 1 + B12

A Celara Med User

Injectable B12 bypasses gastrointestinal absorption and may be considered for individuals with absorption issues or those seeking direct systemic availability.
(pubmed.ncbi.nlm.nih.gov)

Adults with suspected or confirmed B12 deficiency, absorption challenges, or wellness-related goals may be evaluated by a licensed healthcare provider.

Individuals complete a health intake reviewed by a licensed provider. A prescription is issued only if clinically appropriate.

Side effects are generally uncommon but may include mild injection site irritation, headache, or nausea. Individual responses vary.

B12 injections are typically administered intramuscularly or subcutaneously, as directed by a licensed healthcare provider.

B12 (Methylcobalamin) injections through Celara Med are available in 48 states, excluding Alabama and Mississippi, subject to state regulations and provider licensure.

B12 injections are offered as part of a structured care plan designed to support appropriate use, monitoring, and clinical oversight.