# Peptide Guide Hub

> The science-backed peptide encyclopedia. 38 peptides, 65+ studies, interactive tools, and AI-powered guidance for researchers, clinicians, and biohackers.

Every claim on Peptide Guide Hub is evidence-graded (Strong / Moderate / Limited / Preliminary) and reviewed by our Science Advisory Board. Content is for research and educational purposes; peptides discussed are not FDA approved unless explicitly noted.

## Pages

- [Home](/): Overview of Peptide Guide Hub, featured peptides, and entry points to tools.
- [Peptide Database](/peptides): Browse 38 peptides filterable by category, administration route, and evidence level.
- [Research Library](/research): 65+ peer-reviewed studies (2020–2026) with quality metadata and PubMed links.
- [Blog](/blog): Long-form science reviews, expert analyses, and clinical deep dives from The Peptide Research Desk.
- [About](/about): Editorial standards, methodology, advisory board, and the No-Hype policy.

## Peptides

- [BPC-157](/peptides/bpc-157): Healing and recovery peptide — mechanism, dosing, studies, safety.
- [TB-500](/peptides/tb-500): Tissue repair peptide profile with clinical evidence and stacking notes.
- [GHK-Cu](/peptides/ghk-cu): Skin and anti-aging copper peptide profile.
- [Ipamorelin](/peptides/ipamorelin): Selective GH secretagogue with dosing protocols.
- [CJC-1295](/peptides/cjc-1295): GHRH analogue profile and stacking guidance.
- [Semaglutide](/peptides/semaglutide): GLP-1 agonist for weight management — full clinical profile.
- [Tirzepatide](/peptides/tirzepatide): Dual GIP/GLP-1 agonist profile with comparative data.
- [PT-141](/peptides/pt-141): Melanocortin agonist for sexual health.
- [Epitalon](/peptides/epitalon): Longevity peptide profile and telomere research summary.
- [Thymosin Alpha-1](/peptides/thymosin-alpha-1): Immune-modulating peptide profile.

## Tools

- [Peptide Finder Quiz](/quiz): Personalized peptide recommendations based on goals and health profile.
- [Stack Builder](/tools/stack-builder): Build evidence-based peptide combinations with synergy analysis.
- [Dosage Calculator](/tools/dosage-calculator): Reconstitution and per-dose math for any peptide and vial size.
- [Reconstitution Guide](/tools/reconstitution): Step-by-step reconstitution instructions and BAC water volumes.
- [Interaction Checker](/tools/interaction-checker): Check synergies, conflicts, and timing for stacked peptides.
- [Compare Tool](/tools/compare): Side-by-side comparison of any two peptides.
- [Body Map Explorer](/tools/body-map): Visual peptide-to-body-system mapping.
- [Protocol Tracker](/tools/protocol-tracker): Log doses and track subjective outcomes over time.
- [All Tools](/tools): Index of every interactive tool on the site.

## Blog

- [Peptides That Make You Smarter 2026](/blog/peptides-that-make-you-smarter-2026): Cognitive enhancement peptides ranked by 2026 evidence.
- [FDA Removes 12 Peptides — Category 2 PCAC Review 2026](/blog/fda-removes-12-peptides-category-2-pcac-review-2026): Regulatory update and implications.
- [Peptide News 2026: Biggest Developments](/blog/peptide-news-2026-biggest-developments): Annual roundup of the most important peptide research and policy changes.
- [Skin Peptides That Actually Work](/blog/skin-peptides-that-actually-work): Evidence review of topical and injectable skin peptides.
- [Peptides, Ketamine & Psilocybin Neuroplasticity](/blog/peptides-ketamine-psilocybin-neuroplasticity): How peptides interact with neuroplasticity protocols.

## Machine-Readable Endpoints

- [Peptide database (JSON)](/api/peptides.json): Full structured catalog of every peptide profile.
- [Knowledge graph (JSON)](/api/knowledge-graph.json): Semantic graph of peptide synergies, conflicts, and categories.
- [OpenAPI 3.0 spec](/api/openapi.yaml): Machine-readable API description for agents.
- [AI plugin manifest](/.well-known/ai-plugin.json): ChatGPT-compatible plugin manifest.
- [Sitemap](/sitemap.xml): Canonical list of all indexable URLs.
- [Extended LLM index](/llms-full.txt): Long-form version of this file with more pages.

## Optional

- [Profile](/profile): User account settings (login required, not indexable).
- [My Stacks](/my-stacks): Saved peptide stacks (login required, not indexable).
- [My Results](/my-results): Saved quiz results (login required, not indexable).
- [Contact](mailto:hello@peptideguidehub.com): Editorial and partnership inquiries.