B12
€240.00
Vitamin B12 (Methylcobalamin) is the biologically active form of vitamin B12 — the form your body uses directly without needing to convert it. It is essential for DNA synthesis, red blood cell formation, nerve function, and cellular energy production. Supplied as lyophilized powder with ≥98% purity (HPLC-verified).
How It Works
Methylcobalamin serves as a cofactor for two critical enzymes: methionine synthase (which produces methionine and tetrahydrofolate for DNA synthesis) and methylmalonyl-CoA mutase (which processes certain fatty acids and amino acids for energy). Without B12, these reactions stall, causing anemia, nerve damage, and fatigue.
Research Data
- Energy production: B12 is essential for converting food into cellular energy. Research shows B12 deficiency causes significant fatigue and weakness that reverses with supplementation.
- Nerve health: B12 is critical for the myelin sheath that insulates nerves. Deficiency causes peripheral neuropathy — numbness, tingling, and nerve damage. Research shows nerve function recovery with B12 supplementation.
- Red blood cells: B12 is required for DNA synthesis during red blood cell production. Deficiency causes megaloblastic anemia with large, dysfunctional red blood cells and reduced oxygen-carrying capacity.
- Brain function: Low B12 is associated with cognitive decline, memory impairment, and mood disturbances. Research shows improved cognitive function with B12 supplementation in deficient subjects.
- Homocysteine: B12 lowers homocysteine — an amino acid linked to cardiovascular disease and cognitive decline when elevated.
- Methylcobalamin vs Cyanocobalamin: Methylcobalamin is the active form, avoids the need for liver conversion, and also provides a methyl group for methylation reactions throughout the body.
- Deficiency common: B12 deficiency is surprisingly common, especially in vegetarians, vegans, and older adults with reduced absorption — making B12 one of the most clinically important vitamin deficiencies.
Research Applications
- B-vitamin metabolism and methylation research
- Neuropathy and nerve health studies
- Hematology and red blood cell formation
- Energy metabolism and mitochondrial function
Product Specifications
- Form: Methylcobalamin (active B12)
- Purity: ≥98% (HPLC)
- Solubility: Reconstitute in sterile bacteriostatic water
Storage & Handling
- Store at 2-8°C, protected from light.
- Methylcobalamin is light-sensitive — protect from light at all times.
Disclaimer: This product is intended exclusively for laboratory and research purposes. It is not a drug, dietary supplement, or food product. Not for human or veterinary use.
What the Internet Says
This is what online communities discuss. Not medical advice — for laboratory research use only.
Community Buzz
Injectable B12 provides far superior absorption compared to oral supplements — especially important for people with absorption issues, MTHFR mutations, or anyone wanting maximum effect. The community uses it for steady energy without stimulants, red blood cell support, nerve health, and cognitive function. Often combined with Lipo-C or other lipotropic blends for enhanced energy and metabolism support.
⚠️ Community protocols are experimental. This information is for awareness only.
| Dosage |
10ml x 1 mg/ml/vial |
|---|
Shipping & Delivery
All peptide products are shipped directly from our fulfillment center in China.
Delivery Time: 6 to 12 business days worldwide.
Tracking: A tracking number is provided via email once your order has been dispatched.
For any questions regarding your shipment, please contact our support team.
All peptide products are supplied as a lyophilized (freeze-dried) powder in sterile glass vials. Lyophilization preserves the peptide's structural integrity and biological activity during transport and storage. The powder must be reconstituted with an appropriate solvent before use in research protocols.
Recommended Solvent
For most peptide research applications, we recommend using Bacteriostatic Water (BAC) — sterile water containing 0.9% benzyl alcohol as a bacteriostatic agent. BAC water helps maintain sterility after reconstitution and is suitable for multi-dose research protocols.
Order Bacteriostatic Water (BAC) →
Reconstitution Protocol
- Prepare: Clean your work surface and ensure all materials (vial, BAC water, syringes) are handled in a sterile manner.
- Calculate: Determine the desired concentration by dividing the peptide mass (mg) by the volume of BAC water added (mL). For example, adding 2 mL of BAC water to a 5 mg vial yields a concentration of 2.5 mg/mL.
- Reconstitute: Using a sterile syringe, draw the calculated volume of BAC water. Insert the needle through the rubber stopper at an angle and slowly inject the solvent down the inner wall of the vial — avoid directing the stream directly onto the powder to prevent foaming.
- Dissolve: Gently swirl the vial (do not shake) until the powder is fully dissolved. Most peptides dissolve within 1-2 minutes. A clear, colorless solution indicates complete dissolution.
- Aliquot: For long-term use, transfer the reconstituted solution into sterile aliquots to avoid repeated freeze-thaw cycles of the original vial.
Post-Reconstitution Storage
- Store reconstituted peptide solution at 2-8°C for short-term use (up to 7 days).
- For extended storage, aliquot and freeze at -20°C. Avoid repeated freeze-thaw cycles.
- Always label aliquots with peptide name, concentration, date, and storage conditions.
Note: The optimal solvent and reconstitution protocol may vary depending on the specific peptide and research application. Researchers should consult peptide-specific literature for solubility guidance.
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We maintain strict quality control standards with third-party laboratory verification for every batch. Our lyophilized peptides are packaged under controlled conditions to ensure stability during shipping and storage. Detailed reconstitution and handling information is provided with every product to support accurate laboratory research protocols.
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