The peptide research wiki for science-based information

Evidence-based profiles for 87 research compounds — PubMed citations, mechanism breakdowns, pharmacokinetics, and 13 free calculators.

All data is provided for laboratory research purposes only. Not for human or animal consumption. All referenced compounds are research reagents.

87
Compounds indexed
11
Research categories
13
Free research tools
329
Clinical trial entries

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Calculators and reference tables

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Most-researched compounds

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Compound comparisons

Structured mechanism comparisons for the most-searched compound pairs — receptor pharmacology, pharmacokinetics, and published study data.

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Latest from the research blog

Plain-English summaries of recent peptide research, with primary citations.

Abstract hexagonal molecule motif representing dual GLP-1/GIP agonism in VK2735 compared with semaglutide research.
Compound Comparison10 min read

VK2735 vs Semaglutide (2026): Phase 3 Dual GLP-1/GIP Agonist vs the GLP-1 Benchmark

VK2735 showed up to 14.7% weight loss at 13 weeks in Phase 2; semaglutide showed 14.9% at 68 weeks in STEP 1. See how mechanisms, dosing and status compare.

Sep 27, 2026
Abstract hexagonal molecule motif representing 5-Amino-1MQ and Tesofensine non-GLP-1 metabolic research compounds.
Compound Comparison9 min read

5-Amino-1MQ vs Tesofensine: Oral, Non-GLP-1 Metabolic Research Compounds Compared

5-Amino-1MQ inhibits the NNMT enzyme in rodent studies; Tesofensine reached Phase 2 human trials as a triple monoamine reuptake inhibitor for weight loss.

Sep 26, 2026
Abstract hexagonal molecular motif representing the CJC-1295 with DAC and Ipamorelin growth hormone secretagogue comparison.
Compound Comparison10 min read

CJC-1295 with DAC vs Ipamorelin: Half-Life, Receptors & GH Release Compared

CJC-1295 with DAC runs a 6-8 day half-life against Ipamorelin's 2 hours. Compare the two receptor pathways, GH release patterns and 503A review status.

Sep 2, 2026
Abstract molecular motif contrasting tesofensine monoamine reuptake inhibition with semaglutide GLP-1 receptor agonism.
Compound Comparison9 min read

Tesofensine vs Semaglutide: Oral Monoamine vs GLP-1 Mechanisms Compared

Tesofensine blocks 3 monoamine transporters orally; semaglutide agonises the GLP-1 receptor. Compare mechanism, half-life, and Phase 2 vs Phase 3 evidence.

Sep 1, 2026
Abstract molecular classification chart motif representing how anti-doping frameworks group peptide hormone research compounds.
Regulatory & Policy11 min read

WADA 2026 Prohibited List: Peptide Classification Guide for Researchers

WADA's 2026 Prohibited List groups peptides by mechanism, not name: see why ipamorelin, MOTS-c, and GLP-1 agonists fall into 3 distinct compliance categories.

Aug 31, 2026
Abstract hexagonal molecule motif contrasting a selective melanocortin receptor peptide with a broader-spectrum receptor agonist.
Compound Comparison8 min read

Melanotan I vs Melanotan II: Comparing Two Melanocortin Receptor Agonists in Research

Melanotan I is MC1R-selective, chemically tied to afamelanotide; Melanotan II hits MC1R/MC3R/MC4R and gave rise to bremelanotide. See how mechanisms differ.

Aug 30, 2026

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