Research Guides by Goal
Research Guide · Metabolic
Weight Loss & Metabolic
The incretin and energy-balance pathways are among the most actively studied areas in modern metabolic science. This guide outlines the receptor syste…
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Research Guide · Growth Axis
Muscle Growth & Recovery
Skeletal-muscle growth and repair research centers on the growth-hormone/IGF-1 axis and the local signaling that governs tissue regeneration. This gui…
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Research Guide · Longevity
Anti-Aging & Longevity
Aging research has organized around a set of cellular "hallmarks" — from genomic instability and telomere attrition to mitochondrial dysfunction. This…
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Research Guide · Bioenergetics
Energy & Mitochondrial
Cellular energy production sits at the center of both metabolic and longevity science. This guide covers the mitochondrial and metabolic-signaling pat…
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Research Guide · Neuroscience
Cognitive & Focus
Neuropeptide research investigates how short peptide sequences influence neurotrophic signaling, neurotransmitter systems, and sleep architecture. Thi…
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Research Guide · Regenerative
Recovery & Tissue Repair
Tissue-repair research studies the signaling that governs angiogenesis, cell migration, extracellular-matrix remodeling, and inflammation resolution. …
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Quality & Verification Guides
Buyer's Guide
How to Vet a Research Peptide Supplier (2026 Checklist)
A practical checklist for evaluating research peptide suppliers: independent third-party COAs, HPLC and mass-spec verification, purity thresholds, cold-chain shipping, and compliance signals.
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Quality Guide
How to Read a Peptide Certificate of Analysis (COA)
A field guide to reading a peptide Certificate of Analysis: HPLC purity, mass-spec identity, net peptide content, water content, endotoxin and sterility testing, and how to verify a COA is authentic.
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Analytical Methods
HPLC vs Mass Spectrometry: How Peptide Purity and Identity Are Verified
HPLC measures peptide purity; mass spectrometry confirms identity. A clear explanation of how the two complementary analytical methods verify research peptides, and why a COA needs both.
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Compound Comparisons
Compound Comparison
BPC-157 vs TB-500
A research comparison of BPC-157 and TB-500 — mechanism of action, molecular profile, and how the two regenerative research peptides are studied. CAS numbers and specifications included. Research Use Only.
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Compound Comparison
CJC-1295 vs Ipamorelin
A research comparison of CJC-1295 and Ipamorelin — two growth-hormone secretagogues studied through different receptor pathways (GHRH receptor vs ghrelin/GHS-R1a). Specifications and CAS numbers included. Research Use Only.
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Compound Comparison
Semax vs Selank
A research comparison of Semax and Selank — two synthetic neuropeptides studied for BDNF expression and GABAergic signaling respectively. Mechanism, CAS numbers, and specifications. Research Use Only.
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Compound Comparison
TZ2 vs SM1
A research comparison of TZ2 and SM1 — a dual GIP/incretin receptor agonist versus a single incretin receptor agonist. Mechanism, molecular profile, and specifications. Research Use Only.
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Compound Comparison
R3 vs TZ2
A research comparison of R3 and TZ2 — a triple GIP/incretin/glucagon agonist versus a dual GIP/incretin agonist. Mechanism, CAS, and specifications. Research Use Only.
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