Free Shipping on orders over $150
Legendary Labz B-12 methylcobalamin 10mg 10ml injectable in an amber vial with blue retail box, purity greater than 99% HPLC, research use only

B12 — 10ml

Cobalamin / Essential Vitamin

Vitamin B12 (cobalamin) is an essential water-soluble vitamin that acts as an enzymatic cofactor, with a very large indexed literature across hematology, neurology, and metabolism.

$45.00 Members save 15%

Vitamin B12 (methylcobalamin) is an essential water-soluble vitamin required for DNA synthesis, red blood cell maturation, myelin sheath maintenance, and methyl group transfer. Deficiency causes megaloblastic

A free membership unlocks checkout. This is a public preview. Apply for your free membership to purchase this and unlock the full catalog.
SKU: LL-B12-10 Category:

PubMed Literature Index

25501

studies indexed in the public literature

Q2 2026 · view PubMed search ↗

16277
Human
18771
Animal
992
Clinical Trials
0
EU Trials

Overview

In the literature, vitamin B12 (cobalamin) is described as an essential cofactor for two enzymatic reactions in human metabolism: methionine synthase (methylation and one-carbon metabolism) and methylmalonyl-CoA mutase. Unlike receptor-mediated peptides, it functions as a coenzyme inserted into enzyme active sites.

Chemical & Molecular Properties

FormulaC63H88CoN14O14P
Mol. Weight1355.4 g/mol
PubChem CID166596686

Key Areas of Research Interest

  • Investigated in the context of methylation and one-carbon metabolism
  • Investigated in the context of hematologic function and erythropoiesis
  • Investigated in the context of neurological and metabolic research

FAQ

What is B12 commonly researched for?

In the published literature vitamin B12 is studied primarily for its role in methylation and one-carbon metabolism, hematologic function, and neurological health.

Is B12 FDA-approved?

Vitamin B12 is an essential vitamin available as a dietary supplement, with certain forms approved for treating deficiency. Sold here for laboratory research use only.

How is B12 stored?

Store refrigerated and protected from light per standard handling.

What purity standard does Legendary Labz hold B12 to?

Every lot is third-party tested before release.

Is a Certificate of Analysis available for B12?

Certificates of analysis are published per lot as testing completes.

References (25501 PubMed total)

PMID 14636871 · PMID 31671389 · PMID 23447660 · PMID 25824066 · PMID 38344487

Materials referenced on this page are intended for laboratory research purposes. No claims regarding therapeutic efficacy are made or implied. Not for human or veterinary use. Not evaluated by the FDA. Must be 21+.

Description

Overview

Vitamin B12 (methylcobalamin) is an essential water-soluble vitamin required for DNA synthesis, red blood cell maturation, myelin sheath maintenance, and methyl group transfer. Deficiency causes megaloblastic anemia, peripheral neuropathy, and cognitive decline. Oral absorption requires intrinsic factor (often absent in older adults, GI disorders, or gastric bypass patients). Injectable B12 bypasses gut absorption entirely, critical for those on GLP-1 agents (slowed gastric emptying reduces nutrient absorption), vegans, or anyone with absorption issues. Methylcobalamin is the bioactive form; cyanocobalamin is converted to active form in the body.

Structure & Chemistry

  • Molecular formula: C₆₃H₉₁CoN₁₃O₁₄P
  • Category: ENERGY / NEUROLOGICAL / METABOLIC
  • Molecular size: ~1.34 kDa (cobalamin complex with cobalt center)

Specifications

Presentation 10ml single vial
Purity >99% by HPLC
Form Liquid
Category ENERGY / NEUROLOGICAL / METABOLIC
For laboratory and research use only. Not for human or animal consumption. Not approved by the FDA for any therapeutic use. No claims regarding therapeutic efficacy are made or implied. Must be 21 or older.

Reviews

There are no reviews yet.

Be the first to review “B12 — 10ml”

Your email address will not be published. Required fields are marked *

Overview

Vitamin B12 (methylcobalamin) is an essential water-soluble vitamin required for DNA synthesis, red blood cell maturation, myelin sheath maintenance, and methyl group transfer. Deficiency causes megaloblastic anemia, peripheral neuropathy, and cognitive decline. Oral absorption requires intrinsic factor (often absent in older adults, GI disorders, or gastric bypass patients). Injectable B12 bypasses gut absorption entirely, critical for those on GLP-1 agents (slowed gastric emptying reduces nutrient absorption), vegans, or anyone with absorption issues. Methylcobalamin is the bioactive form; cyanocobalamin is converted to active form in the body.

Structure & Chemistry

  • Molecular formula: C₆₃H₉₁CoN₁₃O₁₄P
  • Category: ENERGY / NEUROLOGICAL / METABOLIC
  • Molecular size: ~1.34 kDa (cobalamin complex with cobalt center)

Specifications

Presentation 10ml single vial
Purity >99% by HPLC
Form Liquid
Category ENERGY / NEUROLOGICAL / METABOLIC
For laboratory and research use only. Not for human or animal consumption. Not approved by the FDA for any therapeutic use. No claims regarding therapeutic efficacy are made or implied. Must be 21 or older.

Related Research