Knowledge base
Research peptide guides
Practical, citation-backed references for buying and working with research peptides: reconstitution and dosage math, Certificate-of-Analysis checks, sourcing, and the published science behind each compound. For research use only.
Access & cost
Access & cost · 9 min read
The 2026 GLP-1 Compounding Ban: What Changed and What It Means
In 2026 the FDA moved to permanently close large-scale compounding of GLP-1 drugs — what the rule changes, why compounded and microdosed tirzepatide is disappearing, and how it reshapes the landscape.
Read guideAccess & cost · 10 min read
Mounjaro & Wegovy on the NHS in 2026: Who Qualifies and What It Costs
The 2026 NHS phased rollout and BMI eligibility for Mounjaro and Wegovy, what they cost privately in the UK and as a US cash price, and where research peptides fit.
Read guideFoundations
Foundations · 10 min read
Where to Buy Peptides in 2026: Legality, Shipping & How to Choose
What "research use only" legally means in the USA, UK and EU, how shipping and customs work, and a practical framework for choosing a peptide supplier.
Read guideFoundations · 11 min read
Buy Research Peptides: A Researcher’s Sourcing Playbook (2026)
How to evaluate a research-peptide supplier: what a Certificate of Analysis proves, the purity benchmarks that matter, and a full category map by research area.
Read guideFoundations · 10 min read
The Complete Guide to Research Peptides (2026)
Mechanisms, purity standards, reconstitution and storage — the foundational reference for buying research peptides safely.
Read guideCompound guides
Compound guides · 9 min read
GHK-Cu: The Copper Peptide in Skin, Hair & Repair Research
The copper-binding tripeptide explained: gene regulation across thousands of genes, the collagen and skin-density data, and reconstitution math.
Read guideCompound guides · 10 min read
TB-500 (Thymosin Beta-4): Research Guide, Mechanism & Dosing
How TB-500 regulates actin and cell migration, what the repair literature shows, reconstitution, and the µg/kg ranges reported in studies.
Read guideCompound guides · 11 min read
BPC-157: Mechanism, Research Evidence & Sourcing (2026)
What BPC-157 is, how the pentadecapeptide works, what the tendon and gut research shows, and how to source research-grade material.
Read guideCompound guides · 9 min read
Tesamorelin: GHRH Analog Mechanism, Clinical Data & Research Dosing
The only FDA-approved GHRH analog (Egrifta): how it triggers natural GH pulses, the NEJM/JAMA visceral-fat data, and how it differs from CJC-1295 and ipamorelin.
Read guideCompound guides · 10 min read
Retatrutide (LY3437943): Mechanism, NEJM Data & Research Dosing
The triple GLP-1/GIP/glucagon agonist that reached −24.2% body weight in a NEJM Phase 2 trial — mechanism, clinical data and how it compares to dual agonists.
Read guideCompound guides · 9 min read
Copper Peptides for Hair & Skin: GHK-Cu vs AHK-Cu in Research
How copper peptides are studied for hair and skin: the GHK-Cu collagen and follicle data, where AHK-Cu fits in trichology research, and topical vs reconstituted concentration practice.
Read guideCompound guides · 8 min read
Retatrutide vs Tirzepatide: Triple vs Dual Agonist Compared
A science-only comparison of the dual vs triple agonist: receptor coverage, the head-to-head trial numbers (SURMOUNT-1 vs NEJM 2023 and TRIUMPH-1) and the glucagon-arm difference.
Read guideCompound guides · 7 min read
Semax vs Selank: Two Russian Nootropic Peptides Compared
BDNF stimulation vs GABAergic modulation: how the two Russian-developed nootropic heptapeptides differ, what the literature shows, and why they are often studied together.
Read guideCompound guides · 7 min read
TB-500 vs BPC-157: How the Two Repair Peptides Differ
A side-by-side comparison of the two recovery peptides: origin, mechanism (actin/migration vs angiogenesis/cytoprotection), where each is studied, and why they are often paired.
Read guideCompound guides · 9 min read
BPC-157 Dosage in Research Models: Reconstitution & Protocols
A reference on BPC-157 reconstitution, concentration math, and the dosage ranges reported across preclinical literature.
Read guideCompound guides · 9 min read
Where to Buy Retatrutide for Research (2026 Sourcing Guide)
How to source research-grade retatrutide: purity benchmarks, COA checks, shipping to the USA/UK/EU, and red flags to avoid.
Read guideProtocols
Protocols · 8 min read
Bacteriostatic Water & the Peptide Reconstitution Calculator
What bacteriostatic water is, and the reconstitution calculator math — concentration, draw volume and doses per vial — with a worked volume table.
Read guideProtocols · 9 min read
The “Wolverine Protocol”: BPC-157 + TB-500 in Recovery Research
Why BPC-157 and TB-500 are paired in regeneration research, how their local and systemic mechanisms complement each other, the reconstitution math and the µg/kg ranges from animal studies.
Read guideScience
Science · 9 min read
Cagrilintide: The Long-Acting Amylin Analog Explained (2026)
The amylin half of CagriSema: how cagrilintide signals through brainstem satiety centres, the REDEFINE Phase 3 numbers, its ~7-day half-life, and how it differs from the GLP-1 peptides.
Read guideScience · 8 min read
Quintuple Agonist (GLP-1/GIP/PPAR): The Next Metabolic Frontier
Breaking down the 2026 Nature paper on quintuple GLP-1/GIP/PPARα/γ/δ agonism and what it means for metabolic peptide research.
Read guideReady to order?
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