Research Use Only

Verified Research-Grade Peptides

Independent third-party COAs. Cold-chain shipping. Built for the bench.

B12 (10ml)

$38.00

SKU: YPB.251 Category:

Description

B12 is a single-component research material supplied for controlled research environments. This 10 mL B12 research solution is designed for laboratory studies exploring cobalamin behavior, stability, and assay development in model systems.


Composition

B12 Solution
Appearance:

Documentation & Quality Assurance

Each lot is sourced through our verified global supply chain with emphasis on traceability and quality control.These documents are reviewed internally and displayed as they become available. Independent third-party testing is also performed on select lots to confirm identity, purity, and alignment with our internal specifications.


Important Notice

This product is intended for laboratory research use only. It is not intended for human or veterinary use, and must not be used for diagnostic, therapeutic, or clinical purposes.
This material is not a drug, medical device, or dietary supplement, and has not been evaluated by the U.S. Food and Drug Administration.


Quality & Manufacturing

All materials are sourced from carefully vetted domestic and international manufacturing partners who follow quality systems consistent with ISO and cGMP principles. Each supplier is reviewed for reliability, documentation integrity, and transparency in testing.

We require a verified purity of 99% or higher and perform independent third-party spot testing to confirm that select lots meet our internal standards for identity, purity, and composition. Where available, endotoxin testing results are included on Certificates of Analysis to verify laboratory purity; their inclusion is for research quality assessment only and does not imply suitability for human or veterinary use.

All research materials are sealed for integrity and packaged for stability during storage and transport from manufacturing through final delivery.

Additional information

Weight 0.0625 lbs

Certificate of Analysis

Every batch undergoes independent third-party laboratory analysis to verify identity, potency, and safety. Testing includes quantitative assay verification, heavy metals screening, and comprehensive microbial analysis.

View Certificate of Analysis
Testing Protocol
Third-Party Lab Verified Quantitative Assay Heavy Metals Screened
Sterility Testing (TAMC) Yeast & Mold Testing (TYMC)

Testing performed per USP compendial standards by independent analytical laboratory

Storage Instructions

All products from Research Vials are manufactured using a lyophilization (freeze-drying) process. This method is designed to maintain product integrity and allows vials to remain stable during shipping for approximately 3–4 months.

Once a vial is reconstituted with bacteriostatic water, it should be stored in the refrigerator to help maintain stability. Under these conditions, reconstituted material is generally considered stable for up to 30 days.

Lyophilization is a dehydration technique in which compounds are frozen and then exposed to low pressure. This causes the water in the vial to sublimate directly from solid to gas, leaving behind a stable, crystalline white structure. This powder can be kept at room temperature until reconstitution.

Upon receipt, products should be stored away from heat and light. For short-term use, refrigeration at approximately 4°C (39°F) is suitable. For long-term storage (several months to years), vials may be placed in a freezer at approximately -80°C (-112°F). Freezing is the preferred method for preserving product stability over extended periods.

⚠️ Important Notice:
These products are intended for research use only. Not for human consumption.

Research Use Only

These studies reference research-grade peptides for laboratory and scientific investigation only. Not for human consumption. Not intended to diagnose, treat, cure, or prevent any disease.

Published Scientific Research

Peer-reviewed laboratory research investigating research peptides from leading scientific databases

Molecular Analysis
PubMed

Description of TEMPI syndrome in Waldenström's macroglobulinemia.

Klinicka onkologie : casopis Ceske a Slovenske onkologicke spolecnosti 2025

BACKGROUND: TEMPI syndrome (telangiectasia, erythrocytosis with increased erythropoietin, monoclonal gammopathy, perinephritic fluid collections, and intrapulmonary shunts) was described by David Sykes in 2011. By the end of March 2025, we have found descriptions of 35 cases of TEMPI syndrome in the literature. Non-IgM monoclonal gammopathy of clinical significance was diagnosed in 23 patients, multiple myeloma in 10 patients and Waldenström's macroglobulinemia in only 2 cases. Sykes estimated

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Laboratory Research
PubMed

The role of diet and non-pharmacologic supplements in the treatment of chronic neuropathic pain: A systematic review.

Pain practice : the official journal of World Institute of Pain 2024

Guilongtonluofang, ninjin'yoeito, and antioxidants showed various degrees of potential effectiveness.

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In Vitro Study
PubMed

Cyanocobalamin-Modified Colistin-Hyaluronan Conjugates: Synthesis and Bioactivity.

International journal of molecular sciences 2023

Vitamin B12 was chosen as a targeting ligand because it has its own absorption pathway in the small intestine. An in vitro release test at pH 7.4 and pH 5.2 showed an ultra-slow release of colistin of approximately 1% after 10 h.

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Molecular Analysis
PubMed

Role of Dietary Supplements in Thyroid Diseases.

Endocrine, metabolic & immune disorders drug targets 2022

BACKGROUND: Thyroid hormones play a vital role in regulating our body's metabolism. Two important thyroid hormones released from the thyroid gland are tri-iodothyronine (T3) and tetra-iodothyronine (T4). Thyroid-stimulating hormone and thyroid regulating hormone control the T3 and T4 levels in our body. Increased TSH levels indicate hypothyroidism and decreased TSH levels indicate hyperthyroidism. Iodine is a crucial nutrient for the synthesis of thyroid hormones and is mostly obtained from our

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Mechanism Study
PubMed

Mechanistic Insights into the Link between Gut Dysbiosis and Major Depression: An Extensive Review.

Cells 2022

Recent advancements in biomedical research have demonstrated a clear correlation between gut dysbiosis (GD) or gut microbial dysbiosis and the development of anxiety or depressive behaviors. The gut microbiome communicates with the brain through the neural, immune, and metabolic pathways, either directly (via vagal nerves) or indirectly (via gut- and microbial-derived metabolites as well as gut hormones and endocrine peptides, including peptide YY, pancreatic polypeptide, neuropeptide Y, cholecystokinin, corticotropin-releasing factor, glucagon-like peptide, oxytocin, and ghrelin).

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In Vitro Study
PubMed

Epigenetic Changes and Its Intervention in Age-Related Neurodegenerative Diseases.

Cellular and molecular neurobiology 2022

Epigenetic mechanisms involving the modulation of gene activity without modifying the DNA bases are reported to have lifelong effects on mature neurons in addition to their impact on synaptic plasticity and cognition. Studies have demonstrated in experimental models of neurodegenerative disorders that manipulations of these two mechanisms influence the susceptibility of neurons to degeneration and apoptosis.

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Frequently Asked Questions

Essential information about our research-grade peptides and quality standards.

Peptides are short chains of amino acids linked by peptide bonds, typically consisting of 2-50 amino acids. They serve as the building blocks of proteins and play crucial roles in biological processes.

Research peptides are synthesized versions of naturally occurring peptides, manufactured to precise specifications for use in scientific studies.

Key characteristics: High purity (≥98%), lyophilized form for stability, accompanied by Certificates of Analysis (COA), and manufactured under strict quality control protocols.

Peptide purity refers to the percentage of the target peptide present in a sample, measured via High-Performance Liquid Chromatography (HPLC).

Our Standard: All our research peptides maintain ≥98% purity, verified by third-party laboratory testing and documented in our Certificates of Analysis.

Higher purity is critical for research because impurities can interfere with experimental results and compromise the reproducibility of studies.

All products are supplied in lyophilized powder form within sterile, sealed vials. This format provides:

  • Maximum stability: Extended shelf life compared to liquid solutions
  • Precise measurement: Researchers can work with desired quantities
  • Contamination protection: Sealed vials prevent environmental exposure
  • Shipping durability: Powder form is more stable during transit

Lyophilized peptides:

  • Store at -4°F for long-term storage (up to 24 months)
  • Store at 36-46°F (refrigerated) for short-term storage (up to 3 months)
  • Keep away from light, moisture, and repeated temperature fluctuations

We supply research-grade peptides to:

  • Academic and university research laboratories
  • Pharmaceutical and biotechnology companies
  • Independent research institutions
  • Licensed professionals conducting legitimate scientific research

We maintain rigorous quality control through a multi-step verification process:

  • HPLC Analysis: Every batch tested to verify ≥98% purity
  • Mass Spectrometry: Molecular weight confirmation for peptide identity
  • Third-Party Testing: Independent laboratory verification
  • Sterility Protocols: Aseptic handling and packaging procedures
  • Batch Documentation: Complete traceability from synthesis to delivery

"Research Use Only" (RUO) is a classification indicating that a product is intended exclusively for laboratory research and experimental investigation.

All orders are shipped with research-grade handling protocols:

  • Packaging: Insulated containers with cold packs when required
  • Carriers: USPS Priority Mail
  • Processing: Orders placed before 12 PM EST ship same business day
  • Tracking: Full tracking information provided via email

We stand behind every product:

  • Quality guarantee: Full replacement or refund if products don't meet stated specifications
  • Shipping issues: Free replacement for damaged or lost shipments
  • Unopened returns: Accepted within 30 days for store credit
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⚠️ Research Use Only — Legal Acknowledgment

All products on this website are sold strictly for in vitro research and laboratory use only.

  • Not for human or veterinary use, consumption, or application
  • Not FDA-approved to diagnose, treat, cure, or prevent any disease
  • Buyer assumes full responsibility for legal compliance in their jurisdiction

This information is collected for merchant compliance and regulatory purposes.

Please select your research affiliation to continue.

By clicking "Accept," you confirm:

  • You are at least 21 years of age
  • You are a qualified researcher or laboratory professional
  • You represent the affiliation type selected above
  • You understand these products are for research purposes only
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