Volume I · Edition 2026
The reference library for peptide science.
Structured monographs covering mechanism of action, pharmacokinetics, receptor targets and the primary research record — compiled for researchers and licensed professionals.
- Monographs
- 68+
- Categories
- 8
- References cited
- 77+
Emerging triple agonist
Ultratrutide
A next-generation incretin concept being studied for powerful metabolic effects with lean-mass preservation as a central design goal.
Pathway
GLP-1 · GIP · GCG
Focus
Body composition
Stage
Emerging research
Triple-agonist power, built around muscle preservation
Explore the retatrutide trial evidence and skeletal-muscle research behind Ultratrutide’s promise—along with a clear look at what has, and has not, yet been established in human studies.
Featured
Selected monographs
Healing & Tissue Repair
BPC-157
Body Protection Compound 157 · PL 14736
- MW
- 1419.5 g/mol
- Half-life
- ≈ 30 min (plasma, preclinical)
- Class
- Pentadecapeptide fragment of gastric BPC
Healing & Tissue Repair
TB-500
Thymosin Beta-4 fragment
- MW
- ≈ 889 g/mol (fragment)
- Half-life
- 2–3 h (preclinical)
- Class
- Synthetic fragment of Thymosin β4
Metabolic & Incretin
Semaglutide
- MW
- 4113.6 g/mol
- Half-life
- ≈ 165 h (≈ 1 week)
- Class
- GLP-1 receptor agonist (incretin mimetic)
Metabolic & Incretin
Tirzepatide
- MW
- 4813.5 g/mol
- Half-life
- ≈ 120 h (≈ 5 days)
- Class
- Dual GIP / GLP-1 receptor agonist
Growth Hormone Secretagogues
Ipamorelin
- MW
- 711.86 g/mol
- Half-life
- ≈ 2 h
- Class
- Selective ghrelin/GHS-R1a agonist
Growth Hormone Secretagogues
CJC-1295
DAC:GRF · Modified GRF (1-29)
- MW
- 3367.9 g/mol (with DAC)
- Half-life
- ≈ 8 days (with DAC); ≈ 30 min (without)
- Class
- GHRH analogue (with or without Drug Affinity Complex)
Browse by class
Therapeutic categories
Healing & Tissue Repair
Compounds studied for their role in wound healing, angiogenesis, and connective-tissue remodeling.
View entriesMetabolic & Incretin
Incretin mimetics and metabolic modulators investigated in glucose homeostasis and adiposity literature.
View entriesGrowth Hormone Secretagogues
Ghrelin-receptor agonists and GHRH analogues studied for endogenous GH/IGF-1 axis modulation.
View entriesCognitive & Neurotrophic
Peptides examined in neuroprotection, BDNF expression, and synaptic plasticity research.
View entriesLongevity & Mitochondrial
Mitochondrial-derived peptides and senescence-modulating compounds investigated in aging biology.
View entriesImmune & Thymic
Thymic peptides and immunomodulators studied for T-cell maturation and immune homeostasis.
View entriesReproductive & Neuroendocrine
Hypothalamic and pituitary signalling peptides studied in gonadal-axis regulation, libido, and hormone release.
View entriesMulti-Peptide Blends
Co-lyophilized combinations of two or more peptides studied for complementary effects in growth-hormone, repair, and regenerative pathways.
View entriesResearch dosing
Reference dosing charts, behind subscription.
Subscribing professionals access a growing library of structured reference charts — comparative tables, class summaries, and bibliographic indices — distributed as versioned PDF monographs.
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Primary literature
Every monograph cites peer-reviewed sources or the originating research record.
Mechanistic clarity
Receptor targets and pathway data are summarized with conservative attribution to preclinical or clinical work.
Professional framing
Information is curated for researchers and licensed professionals; never presented as clinical recommendation.