Peptide Research Guides,
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Independent guides, honest comparisons, and plain-English research summaries — every claim tied to a published study.
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Compound guides
Full research write-ups on each compound — mechanisms, evidence, dosing context, and safety.
Browse guides →Comparisons
Honest, side-by-side breakdowns — composition, mechanisms, and how researchers actually choose.
See comparisons →News & updates
FDA actions, clinical-trial results, and industry news — explained without the hype.
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Encyclopedia
The compound library
The most-researched peptides — what they are, and where the evidence stands.
BPC-157
Body Protection Compound-157
Synthetic gastric peptide studied for tissue repair, wound healing, and recovery.
TB-500
Thymosin Beta-4 fragment
Studied for cell migration, wound healing, joint mobility, and inflammation.
GHK-Cu
Copper tripeptide-1
Naturally occurring copper peptide studied for collagen, skin, and regeneration.
Sermorelin
GHRH analog
Growth-hormone-releasing analog studied in the context of aging and body composition.
Semaglutide
GLP-1 receptor agonist
Well-studied GLP-1 medication with strong clinical evidence for metabolic outcomes.
KPV
Lys-Pro-Val tripeptide
Alpha-MSH-derived fragment studied for its anti-inflammatory properties.
Featured comparison
BPC-157 vs TB-500: the honest breakdown
They share most of their profile and get "stacked" constantly — but they aren't the same. See what actually separates them.
Read the comparison →Latest
Fresh guides & analysis
In-depth, sourced articles across every research area.
Collagen Peptides: What They Are and What the Research Shows
Collagen peptides explained: what hydrolyzed collagen is, how it is made, and what human trials on skin, joints and bone report, with…
How to Store Research Peptides: Lyophilized Powder and Solutions
How to store research peptides: lyophilized vs solution storage, fridge vs freezer, moisture, light and freeze-thaw, plus signs a lab sample has…
Semaglutide vs Tirzepatide: How the Two Mechanisms Compare
Semaglutide vs tirzepatide compared by mechanism: single GLP-1 vs dual GIP/GLP-1 receptor agonist, what head-to-head human trials report and FDA status.
CJC-1295 vs Ipamorelin: How the Two Growth Hormone Peptides Differ
CJC-1295 vs ipamorelin compared by mechanism and study type: GHRH analog vs ghrelin-receptor agonist, the combined stack and the limited human data.
KPV vs BPC-157: How Their Gut Research Compares
KPV vs BPC-157 in gut research: how the alpha-MSH tripeptide and the gastric pentadecapeptide differ in mechanism, study types and the human…
How to Store KLOW: Storage & Handling for Researchers
Lab storage guidance for lyophilized KLOW: temperature, light, moisture and freeze-thaw, with a sourced stability table. Research use only, not for humans.
News
Latest peptide news
FDA actions, trial results and policy changes, explained with sources.
Peptide Research Roundup: GHK-Cu Lab Papers and Where CagriSema Stands
GHK turns up in a spinal cord scaffold and a bone scaffold this week, and CagriSema's FDA decision is due before year end.
ObesityWeek 2026 Preview: CagriSema, Childhood Semaglutide and “Food Noise” Data to Watch
Low-dose CagriSema, semaglutide in children aged 6 to 11, and the first real-world numbers for the Wegovy pill are headed to ObesityWeek. Here's the schedule.
HHS Peptide Policy: Who Supports It, Who Opposes It, and the November 13 Comment Deadline
Critics call it a shortcut, supporters call it a safer channel, and states may decide how much changes. Public comments on the six-peptide policy close around November 13.
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