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99.7% — exceeds 99.00% minimum spec
- Batch
- B12-202607-001
- Test date
- July 23, 2026
- Method
- HPLC + MS
- Lab
-
Bioviridian
College Station, TX
Description
Vitamin B12 Peptides (Cyanocobalamin)
Vitamin B12 Peptides(Cyanocobalamin) – 1mg / 1ml – For Research Use Only
Vitamin B12 Peptides (Cyanocobalamin) is a water-soluble vitamin essential for red blood cell formation, neurological function, and DNA synthesis. In research settings, it is studied for its role in energy metabolism, nerve repair, and cognitive support.
Product Details:
Compound: Cyanocobalamin (Vitamin B12)
Concentration: 1mg / 1ml per vial
Form: Sterile injectable solution
Container: 3ml / 10ml multi-dose vial
Storage: Store in a cool, dry place. Refrigerate after opening.
Research Grade: For laboratory research purposes only. Not for human consumption or therapeutic use.
Research Applications May Include: Studies on energy metabolism and fatigue Neurological repair and neuroprotection research Red blood cell production models
B12 peptide Details
Vitamin B12 (cobalamin) is an essential water-soluble vitamin and obligatory cofactor for two enzymatic reactions critical to cellular metabolism: methylmalonyl-CoA mutase, required for propionate metabolism and myelin synthesis, and methionine synthase, which regenerates methionine from homocysteine in the folate/one-carbon metabolic cycle. This second reaction links B12 status directly to DNA methylation capacity, red blood cell production, and homocysteine regulation, making B12 deficiency a well-documented cause of megaloblastic anemia and neurological impairment in the clinical literature. In injectable research and clinical contexts, B12 (typically as cyanocobalamin or methylcobalamin) is studied for its role in supporting energy metabolism, nervous system function, and hematopoiesis, particularly in populations with impaired absorption (due to intrinsic factor deficiency or gastrointestinal conditions) where oral bioavailability is insufficient to maintain adequate serum levels.
B12 peptide Scientific Research
Lipotropic Components and Hepatic Lipid Handling
Lipotropic compounds such as choline- and inositol-based molecules are widely used in experimental designs to investigate:
- VLDL Assembly and Export: Choline-dependent phosphatidylcholine synthesis is central to very-low-density lipoprotein (VLDL) formation, which is a primary route for lipid export from hepatocytes. Lipotropic combinations are often used to probe how substrate availability affects this process in cell or animal models.
- Triglyceride Accumulation: Models of hepatic steatosis (fat accumulation in the liver) may include lipotropic agents to evaluate whether modulating phospholipid and methyl donors alters lipid droplet behavior or hepatic fat content markers.
- Bile and Phospholipid Balance: Because phospholipids are critical constituents of bile, research may study lipotropic blends to understand how altered phospholipid supply influences bile composition, hepatocyte membrane integrity, and related endpoints.
These lines of investigation are strictly mechanistic and do not establish clinical “fat-burning” or detoxification claims.
Vitamin B12 and One-Carbon Metabolism
Vitamin B12 (cobalamin) is an essential cofactor for several enzymes involved in one-carbon metabolism and energy-related pathways:
- Methionine Synthase: B12-dependent remethylation of homocysteine to methionine is central to the generation of S-adenosylmethionine (SAM), a universal methyl donor used in DNA, protein, and phospholipid methylation.
- Methylmalonyl-CoA Mutase: B12 participates in the conversion of methylmalonyl-CoA to succinyl-CoA, linking certain fatty acid and amino acid degradation pathways into the tricarboxylic acid (TCA) cycle.
In research settings, co-formulating B12 with lipotropic agents allows investigators to explore:
- How methyl-donor and cofactor availability jointly influence homocysteine, SAM/SAH ratios, and related markers
- The relationships between B12 status, hepatic function indicators, and cellular energy metabolism
- The interplay between B12-dependent enzymatic activity and lipid-handling pathways in vitro or in vivo
Combined Formulation Models
Using LIPO-C–type preparations, researchers may design experiments to:
- Compare single-compound versus combination exposure on hepatic gene expression involved in lipid transport and methylation
- Analyze biochemical endpoints such as liver enzyme patterns, oxidative markers, phospholipid species, and methylation indices
- Study whether co-administration of B12 and lipotropic agents influences recovery or adaptation in models of metabolic or dietary stress
These experiments are intended to clarify biochemical mechanisms only and are not configured to support claims about body composition change, detoxification, or clinical outcomes.
Article Titles & Journals
Fast, reliable shipping
We offer fast, reliable shipping through UPS and USPS.
Shipping Options
UPS shipping options include:
- Next Day Air
- 2nd Day Air
- 3 Day Select
- UPS Ground
Order Processing
- We ship Monday through Saturday.
- Orders placed before 6:00 PM EST / 3:00 PM PST are typically shipped the same day.
- Orders placed after the daily cutoff or on holidays will be processed on the next available shipping day.
Puerto Rico, Hawaii & Alaska
- Orders shipping to these destinations are sent via USPS unless alternative arrangements have been made in advance.
- Need a different shipping method? Contact us before placing your order so we can discuss available options.
Order Tracking
- Once your order has shipped, you'll receive a shipping confirmation email with tracking information so you can monitor your delivery.
- Orders totaling $200 or more qualify for FREE UPS 2nd Day Air shipping within the continental United States.
- Free 2nd Day Air shipping does not apply to orders shipping to Puerto Rico, Hawaii, or Alaska.
Handled correctly, stability holds
All peptides are supplied as sterile, lyophilized powder and are stable when handled correctly.
Store vials in a cool, dry place away from heat and direct sunlight.
For optimal longevity, keep lyophilized peptides refrigerated to help maintain integrity.
Use an appropriate research diluent (for example, BAC water). Store the reconstituted solution in the refrigerator and use within 20–30 days for best stability.
Minimize exposure to moisture and repeated freeze–thaw cycles. Follow your institution's safety procedures when handling research materials.
Frequently Asked Questions
PRODUCT & PURITY
This product is offered for laboratory and research use only. It is not intended for human consumption, medical use, therapeutic use, or veterinary use.
Yes, all of our products are sterile and sealed with a sterility plug and safety cap.
Our products undergo quality control internally at our lab and then 3rd party tested at Bioviridian (at their Texas facility) prior to shipment. All of our COA's are then posted on our site immediately upon receipt.
99% or higher. Period. The expected purity is listed on the individual product page or Certificate of Analysis, when available.
No. We are a manufacturing company and because these products are sold for research purposes only, we do not provide dosing, administration, or medical-use guidance.
Unless specifically stated otherwise, these products are not approved by the U.S. Food and Drug Administration for therapeutic or diagnostic use.
STORAGE & STABILITY
As a lyophilized powder, peptides are stable. Delays in shipments up to 7 days will have zero to minimal impact on efficacy of peptides. Most precautionary efforts must be made to maintain temperature consistency once reconstituted.
Store the product according to the storage recommendations provided on the label or accompanying documentation in your shipment. Proper storage helps maintain product integrity during its shelf life. Most peptides have an expiration date of 2 years if kept unreconstituted (lyophilized powder).
SHIPPING
Shipping times vary based on your location and the shipping method selected at checkout. We offer shipping options between 1 and 5 days.
No.
Once your order is processed, you will receive a shipping confirmation email with tracking information.
ORDERS
Each order includes the peptide vial as described on the product page above.
We accept all forms of credit cards and Zelle.
If your order has not yet been processed for shipment, we may be able to make changes. Please contact customer support as soon as possible after placing your order.
If your order arrives damaged or incorrect, contact our customer support team promptly at support@peaklabpeptides.com with your order number and photos of the package and product so we can assist you.
For the safety of our researchers and integrity of our products we can not accept returns whatsoever.
SUPPORT
If you have questions about your order or a product, please reach out through our customer support page or contact us at support@peaklabpeptides.com or call/text 605-524-2800.
Purity you can verify
TESTED
VERIFICATION
Peak Lab Peptides maintains quality-control processes and routinely performs third-party testing to support purity and identity verification. COAs are available upon request for applicable batches. Documentation may vary depending on production timelines.
AVAILABILITY
We aim to make batch-level documentation available whenever possible. Our goal is to expand COA access across the full catalog as production capacity grows.
All products are for laboratory research use only and are not intended for human consumption.
Related Products
CJC-1295 No DAC
CJC-1295 No DAC
CJC-1295 No DAC – 5mg (Lyophilized Peptide) – For Research Use Only
CJC-1295 No DAC is a synthetic analog of Growth Hormone-Releasing Hormone (GHRH) designed for research on stimulating natural growth hormone (GH) release in a pulsatile manner. The “No DAC” (Drug Affinity Complex) version has a shorter half-life, allowing it to mimic the body’s natural GH secretion rhythm.
CJC-1295 No DAC is commonly studied in models focused on muscle growth, fat metabolism, anti-aging, and recovery when used alone or stacked with other GH secretagogues like Ipamorelin.
Product Details:
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Peptide: CJC-1295 No DAC
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Purity: >98%
-
Form: Lyophilized powder
-
Quantity: 5mg per vial
-
Storage: Store at -4°F (-20°C). After reconstitution, refrigerate at 36–46°F (2–8°C) and use within 30 days.
-
Grade: For research purposes only. Not for human use, medical, or diagnostic applications.
Potential Research Applications:
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Growth hormone release studies
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Muscle growth and recovery models
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Anti-aging and longevity research
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Fat metabolism and body composition investigations
IGF-1 LR3
IGF-1 LR3 Peptide
IGF-1 LR3 Peptide (Long Arg3 Insulin-Like Growth Factor-1) – 1mg (Lyophilized Peptide) – For Research Use Only
IGF-1 LR3 is a synthetic analog of human Insulin-Like Growth Factor-1 (IGF-1), modified to extend its half-life in vitro through substitution of arginine at position 3 and removal of the first three amino acids of the native IGF-1 sequence. These modifications increase resistance to IGF-1 binding proteins, enhancing stability and prolonged activity in controlled research environments. Research has explored its role in cellular growth signaling, differentiation pathways, and IGF-1 receptor interaction mechanisms in laboratory models.
Product Details:
- Peptide: IGF-1 LR3 (Long Arg3 Insulin-Like Growth Factor-1)
- Sequence: 83 amino acids
- Purity: ≥99% (HPLC verified)
- Form: Lyophilized powder
- Quantity: 1mg per vial
- Storage: Store lyophilized peptide at -4°F (-20°C). Once reconstituted, refrigerate at 36–46°F (2–8°C) and use within 30 days.
- Grade: For laboratory research use only. Not for human use, consumption, or therapeutic applications.
Potential Research Applications:
- IGF-1 receptor binding affinity and cellular signaling studies
- Cellular growth and differentiation pathway research
- Binding protein resistance and in vitro stability mechanism models
- Growth factor analog activity and structure-function investigations
For laboratory research only. This product is not intended to diagnose, treat, cure, or prevent any disease.
Lipo-C w/o B12
Lipo-C
Lipo-C – 10ml Sterile Injectable Solution – For Research Use Only
Lipo-C is a research-grade lipotropic formulation studied for its potential effects on fat metabolism, energy production, and liver function. This blend combines amino acids, vitamins, and metabolic cofactors designed to support laboratory studies involving lipid transport, metabolic regulation, and cellular energy pathways.
Active Ingredients (Per ml):
-
L-Carnitine – 200mg
-
Arginine – 20mg
-
Methionine – 25mg
-
Inositol – 50mg
-
Choline – 50mg
-
Vitamin B5 (Dexpanthenol) – 25mg
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Vitamin B6 (Pyridoxine) – 25mg
-
Vitamin B12 (Cyanocobalamin) – 1mg
Product Details:
-
Volume: 10ml multi-dose vial
-
Formulation: Sterile injectable solution
-
Purity: Research grade
-
Storage: Store at 68–77°F (20–25°C)
- Product will crystalize slightly if refrigerated.
-
Grade: For laboratory research use only. Not for human consumption, therapeutic, or diagnostic use.
Potential Research Applications:
-
Lipid metabolism and fat mobilization studies
-
Liver function and detoxification research
-
Energy production and mitochondrial pathway exploration
-
Metabolic health and nutrient utilization investigations
For laboratory research only. This product is not intended to diagnose, treat, cure, or prevent any disease.
Peptide Storage Case (3ml x 5 + Multi-Compartment) — Hard Shell Complete Organizer
An all-in-one solution for organizing your full research workflow.
This hard shell peptide storage case is designed to securely hold up to 5 standard 3ml vials, with additional dedicated compartments for other essential research materials. The precision-fit interior keeps every component stable and separated, so your full setup stays organized in a single case.
Built with a lightweight, impact-resistant shell and secure snap latches, this case is freezer and refrigerator safe — making it a reliable option for both at-home storage and on-the-go use.
Key Features:
- Custom-fit layout: Holds 5 Ă— 3ml vials plus dedicated storage for essential research supplies
- Hard shell exterior: Durable, impact-resistant protection
- Secure snap latches: Keeps contents safely contained
- Precision interior compartments: Minimize movement and vibration
- Freezer & refrigerator safe: Maintains integrity in cold storage
- Compact dimensions: 6.75"W Ă— 4"D Ă— 2.25"H
- Travel-friendly: Lightweight and easy to transport
The most complete option in our storage lineup, built for researchers who want everything organized in one place.
Important:
- For research use only. Not for human consumption.
- Vials and supplies not included
