Prescribed Peptide Research & Sourcing Hub
Prescribed Vials is a comprehensive peptide sourcing and research guide. We cover purity verification, COA interpretation, storage protocols, and research-grade supplier evaluation across regenerative, endocrine, therapeutic, and anti-aging peptide categories.
Featured Research
In-depth research profiles with mechanisms of action, key findings, and peer-reviewed citations.
Body Protection Compound-157
Also known as: BPC-157, Pentadecapeptide, PL 14736, PL-10, Bepecin
BPC-157 is a synthetic pentadecapeptide derived from a protective protein found in human gastric juice. Its mechanisms of action are multifaceted and have been studied extensively in over 100 animal studies. A central aspect of its activity involves upregulation of growth factor expression, including VEGF (vascular endothelial growth factor), EGF (epidermal growth factor), and their receptors. Thi...
Quick Facts
Sequence: Gly-Glu-Pro-Pro-Pro-Gly-Lys-Pro-Ala-Asp-Asp-Ala-Gly-Leu-Val
MW: 1419.53 g/mol
CAS: 137525-51-0
Store lyophilized powder at -20C, protected from light. Reconstituted solution should be refrigerated at 2-8C and used w...
Thymosin Beta-4 (TB-500 Fragment)
Also known as: TB-500, TB500, Thymosin Beta 4, Tbeta4
Thymosin beta-4 (Tbeta4) is a 43-amino-acid peptide that is the most abundant member of the beta-thymosin family. Despite its name (a historical artifact from its original isolation from thymus tissue), Tbeta4 is expressed in virtually all nucleated cells and is one of the most abundant intracellular peptides, with concentrations reaching 0.4 mM in some cell types. TB-500 is a synthetic version co...
Quick Facts
Sequence: Full TB4: Ac-Ser-Asp-Lys-Pro-Asp-Met-Ala-Glu-Ile-Glu-Lys-Phe...
MW: 4921.0 g/mol (full Tbeta4)
CAS: 77591-33-4
Store lyophilized powder at -20C. Reconstituted solution should be refrigerated at 2-8C and used within 21 days. Tbeta4 ...
Wolverine Blend (BPC-157 / TB-500) 10mg
Also known as: Wolverine Blend, BPC/TB Blend, Healing Blend
The Wolverine Blend combines the two most extensively studied tissue-repair peptides in complementary research: BPC-157 and TB-500 (thymosin beta-4). The blend name references the fictional character's regenerative abilities, reflecting the synergistic healing potential suggested by the combined research profiles of these peptides. BPC-157 acts primarily through pro-angiogenic mechanisms — it upr...
Quick Facts
Sequence: Blend - BPC-157 (15aa) and TB-500 (43aa) sequences
MW: Blend - varies by component
CAS: Blend - N/A
Store lyophilized powder at -20C. Reconstituted solution should be refrigerated at 2-8C and used within 14-21 days. Use ...
Copper Peptide GHK-Cu
Also known as: GHK-Cu, Glycyl-L-Histidyl-L-Lysine:Copper(II), Copper Tripeptide-1, Linus Pauling Peptide
GHK-Cu is a naturally occurring copper-binding tripeptide first identified in human plasma by Loren Pickart in 1973. It is found in blood, saliva, and urine, with plasma levels declining from about 200 ng/mL at age 20 to 80 ng/mL by age 60. The copper ion is essential for its biological activity, as it enables the peptide to serve as a bioavailable copper delivery system. GHK-Cu exerts its biolog...
Quick Facts
Sequence: Gly-His-Lys (with Cu2+ ion)
MW: 403.93 g/mol (copper complex)
CAS: 49557-75-7
Store lyophilized powder at -20C, protected from light. The copper complex is stable but can oxidize; minimize exposure ...
Epithalon (Epitalon)
Also known as: Epithalon, Epithalone, Ala-Glu-Asp-Gly
Epitalon is a synthetic tetrapeptide based on the naturally occurring peptide epithalamin, which is extracted from the pineal gland. Developed by Professor Vladimir Khavinson at the St. Petersburg Institute of Bioregulation and Gerontology, epitalon is the most extensively studied of the Khavinson peptide bioregulators. Its primary mechanism of action involves activation of telomerase, the enzyme ...
Quick Facts
Sequence: Ala-Glu-Asp-Gly
MW: 390.35 g/mol
CAS: 307297-39-8
Store lyophilized powder at -20C. Reconstituted solution should be refrigerated at 2-8C. As a small tetrapeptide, epital...
CJC-1295 Without DAC (Modified GRF 1-29)
Also known as: CJC-1295 no DAC, Mod GRF 1-29, Modified GRF(1-29)
CJC-1295 without DAC, also known as Modified GRF(1-29), is a synthetic analogue of the first 29 amino acids of growth hormone-releasing hormone (GHRH) with four amino acid substitutions designed to improve metabolic stability. The modifications (Ala at position 2 to D-Ala, Asn at position 8 to Gln, Ala at position 15 to Ala (retained), and Met at position 27 to Leu) confer resistance to DPP-4 and ...
Quick Facts
Sequence: Tyr-D-Ala-Asp-Ala-Ile-Phe-Thr-Gln-Ser-Tyr-Arg-Lys-Val-Leu-Al...
MW: 3367.97 g/mol
CAS: 863288-34-0
Store lyophilized powder at -20C. Reconstituted solution should be refrigerated at 2-8C and used within 21 days. Moderat...
Ipamorelin Acetate
Also known as: Ipamorelin, NNC 26-0161
Ipamorelin is a synthetic pentapeptide growth hormone secretagogue that acts as a selective agonist of the ghrelin/growth hormone secretagogue receptor (GHS-R1a). Unlike earlier GHS compounds such as GHRP-6 and GHRP-2, ipamorelin is notable for its high selectivity — it stimulates growth hormone release without significantly affecting cortisol, prolactin, or ACTH levels at GH-stimulating doses. Th...
Quick Facts
Sequence: Aib-His-D-2-Nal-D-Phe-Lys-NH2
MW: 711.85 g/mol
CAS: 170851-70-4
Store lyophilized powder at -20C. Reconstituted solution should be refrigerated at 2-8C and used within 28 days. Relativ...
Nicotinamide Adenine Dinucleotide
Also known as: NAD+, NAD, Coenzyme I
NAD+ is a fundamental coenzyme in cellular energy metabolism, serving as the primary electron carrier in mitochondrial oxidative phosphorylation and as an essential substrate for sirtuins (SIRT1-7), PARPs, and CD38/CD157 enzymes. NAD+ levels decline significantly with age, impairing sirtuin-mediated gene regulation, mitochondrial function, and DNA repair capacity. The 500mg product contains the s...
Quick Facts
Sequence: Non-peptide dinucleotide
MW: 663.43 g/mol
CAS: 53-84-9
Store lyophilized powder at -20C, protected from light and moisture. NAD+ is hygroscopic. Reconstituted solutions should...
MOTS-c (Mitochondrial Open Reading Frame of the 12S rRNA Type-c)
Also known as: MOTS-c, Mitochondrial-Derived Peptide
MOTS-c is a 16-amino-acid peptide encoded by the mitochondrial genome within the 12S rRNA gene. Discovered by Changhan David Lee and Pinchas Cohen at the University of Southern California in 2015, it was one of the first mitochondrial-derived peptides (MDPs) identified with significant metabolic regulatory activity. Its discovery challenged the longstanding view that the mitochondrial genome encod...
Quick Facts
Sequence: Met-Arg-Trp-Gln-Glu-Met-Gly-Tyr-Ile-Phe-Tyr-Pro-Arg-Lys-Leu-...
MW: 2174.68 g/mol
CAS: 1627580-64-6
Store lyophilized powder at -20C. Reconstituted solution should be refrigerated at 2-8C and used within 14 days. Protect...
Latest Research Articles
Deep-dive articles from the System Peptides Research Network.
Essential Peptides for Anti-Aging and Longevity Research
The most studied peptides in aging research — Epitalon, NAD+, MOTS-c, GHK-Cu, and SS-31. Mechanisms, evidence levels, an...
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The five biggest trends shaping peptide research in 2026 — from GLP-1 agonist evolution to mitochondrial peptides, AI-dr...
Read Article Educational GuideUnderstanding Preclinical vs Clinical Peptide Research
The pipeline from preclinical discovery to clinical trials — what each phase means, why most peptides are preclinical-on...
Read Article Category RoundupGrowth Hormone Secretagogues: A Complete Research Guide
Everything researchers need to know about GH secretagogues — Ipamorelin, CJC-1295, GHRP-6, Tesamorelin, and how they dif...
Read Article Category RoundupMitochondrial-Targeted Peptides: The Next Research Frontier
MOTS-c, SS-31, and the emerging class of mitochondria-targeted peptides. How they work, what they target, and why mitoch...
Read Article Trending ResearchAI and Peptide Discovery: How Machine Learning Is Changing Research
How artificial intelligence is accelerating peptide discovery — from AlphaFold structure prediction to generative sequen...
Read Article Research ScienceThe SIRT1-NAD+ Axis: A Key Target in Peptide Longevity Research
How the SIRT1-NAD+ signaling axis connects cellular energy, aging, and peptide interventions like NAD+ supplementation a...
Read Article Educational GuideReading PubMed: A Researcher's Guide to Peptide Literature
How to search, evaluate, and interpret PubMed articles on research peptides. Search strategies, study quality assessment...
Read ArticleResearch Applications
Key research categories and applications studied in the scientific literature.
Sourcing & Verification
How to evaluate peptide suppliers, interpret COAs, verify HPLC purity, and confirm molecular identity through mass spectrometry for research-grade peptides.
Tissue Repair & Recovery
BPC-157, TB-500, and Wolverine Blend research in musculoskeletal healing, tendon repair, angiogenesis, and post-injury recovery models.
Growth Hormone Research
CJC-1295, Ipamorelin, and Tesamorelin studies on GH secretion, IGF-1 pathways, body composition, and pulsatile release protocols.
Longevity & Anti-Aging
Epitalon telomerase activation, NAD+ sirtuin biology, GHK-Cu collagen synthesis, and MOTS-c mitochondrial biogenesis research.
Metabolic Optimization
AOD-9604, Tesamorelin, and 5-Amino-1MQ research in fat metabolism, visceral adiposity reduction, and metabolic syndrome models.
Storage & Handling
Proper lyophilized peptide storage, reconstitution protocols, cold-chain shipping requirements, and shelf life considerations for research applications.
Why US-Sourced Research Peptides Matter
Research Vials is 100% USA-managed, USA-tested, and USA-shipped. Every step of the quality chain stays domestic — no overseas middlemen, no imported product, no compromises.
US-Accredited Lab Testing
Every batch is verified by accredited, independent US laboratories with no financial ties to any manufacturer. Our Certificates of Analysis come from domestic labs held to US regulatory standards — not self-reported results from overseas facilities.
98-99%+ Purity Standard
Our HPLC-verified purity consistently reaches 98-99%+, confirmed by mass spectrometry. Imported peptides commonly arrive at 85-95% purity. That difference matters — impurities confound dose-response data, trigger off-target effects, and can invalidate entire studies.
Domestic Cold-Chain Shipping
Peptides are temperature-sensitive. International shipments can sit in customs, endure uncontrolled warehouse temperatures, and arrive degraded. Our products ship exclusively within the US via temperature-controlled logistics — from our facility to your lab, never crossing a border.
Best Value for Premium Grade
Highest-grade US-tested peptides at competitive prices. When you factor in the cost of failed experiments from impure imports, our pricing delivers the best value per verified microgram. No hidden customs fees, no import delays, no gamble on quality.
Transparent COA Verification
Every COA is batch-specific, issued by a US-accredited independent lab, and available before you buy. We publish HPLC chromatograms, mass spectrometry data, and endotoxin results. No self-certified paperwork from unaccredited overseas labs.
Never Imported, Never Compromised
Our supply chain is entirely US-based. Products are managed, quality-controlled, stored in climate-controlled US facilities, and fulfilled domestically. There are no foreign intermediaries, no relabeled imports, and no uncertainty about what is in your vial.
Frequently Asked Questions
Common questions about prescribed vials research, purity standards, and sourcing.
What is Prescribed Vials?
Prescribed Vials is a research-focused peptide education and sourcing guide. We aggregate peer-reviewed data on peptide mechanisms, purity standards, and proper handling protocols to help researchers make informed sourcing decisions.
What peptides does Prescribed Vials cover?
We cover the most researched peptide categories: tissue-repair peptides (BPC-157, TB-500), copper peptides (GHK-Cu), growth hormone secretagogues (CJC-1295, Ipamorelin, Tesamorelin), longevity peptides (Epitalon, NAD+), metabolic peptides (MOTS-c, AOD-9604), and multi-peptide blends (Wolverine Blend, Glow Blend).
What purity standards should research peptides meet?
Research-grade peptides should have minimum 98% purity verified by HPLC analysis, with molecular identity confirmed by mass spectrometry. Always request batch-specific Certificates of Analysis (COAs) from independent third-party laboratories. Avoid suppliers who cannot provide current COAs.
How should research peptides be stored?
Store lyophilized peptides at -20C protected from light and moisture. Reconstituted solutions should be refrigerated at 2-8C and used within 14-21 days. Use bacteriostatic water for reconstitution. Never refreeze reconstituted solutions.
How do I read a Certificate of Analysis (COA)?
A valid COA should include: the peptide name and batch number, HPLC purity percentage (98%+ target), mass spectrometry confirmation of molecular weight, endotoxin testing results, the laboratory name and accreditation, and the date of analysis. Third-party COAs are more reliable than manufacturer self-testing.
What is the difference between research-grade and pharmaceutical-grade peptides?
Research-grade peptides (RUO - Research Use Only) are synthesized for laboratory investigation and are not manufactured under pharmaceutical GMP conditions. Pharmaceutical-grade peptides undergo FDA-regulated manufacturing. All peptides on this site are designated for research purposes only.
Are research peptides approved for human use?
No. All peptides featured on Prescribed Vials are designated Research Use Only (RUO). They are not approved by the FDA for human consumption, veterinary use, or any therapeutic purpose. All content describes preclinical laboratory studies, not clinical recommendations.
Where can I source research-grade peptides?
Research-grade peptides with 98%+ purity, HPLC verification, and third-party COAs are available at researchvials.com. All peptides ship from the USA with cold-chain packaging to maintain product integrity. This site is an educational resource and does not sell products directly.
Ready to Start Your Research?
Browse our complete research library or source US-tested peptides at competitive rates from Research Vials.
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