The Peptidely
Guide Library
Comprehensive resources on peptide therapy, written to separate established science from emerging research and unsupported claims.
Start with the most useful explainer
The lead guide carries the highest-context entry point. The rest of the library is intentionally more compact so the scanning path stays clear.
Compounding Pharmacies and Peptides: What You Need to Know in 2025
How compounding pharmacies fit into the peptide landscape, what 503A vs 503B means, why BPC-157 is now off the table at compounders, and how to evaluate whether a compounding script is legitimate.
- → Highest-context entry point
- → Strong cross-linking into studies and compounds
- → Good reference for the rest of the library
Browse by topic
The library is organized for scanning first. Each card keeps only the category, read time, update date, and a shorter summary.
How Peptides Are Made: Synthesis 101
From amino acids to clinical compound — the science of peptide synthesis, what separates pharmaceutical-grade from research-grade, and why manufacturing quality matters.
FDA Status of Peptides in 2025: What's Legal, What's Not
A comprehensive breakdown of the FDA regulatory framework for peptides — approved drugs, off-label prescribing, compounding rules, and the 503A/503B restrictions that changed everything.
Peptide Delivery Methods: Injectable vs. Oral vs. Sublingual vs. Nasal vs. Topical
A practical breakdown of how peptides are administered — bioavailability by route, what the science says about non-injectable options, and how to choose the right delivery method.
Peptides vs. Hormones: Understanding the Difference
Peptides and hormones are often conflated — but they work through different mechanisms, carry different risks, and exist in very different regulatory environments. Here's how to think about the distinction.
Peptides for Weight Loss: What the Evidence Actually Shows
An evidence-graded review of GLP-1 agonists, AOD-9604, and other metabolic peptides — separating marketing claims from peer-reviewed findings.
BPC-157: Mechanisms, Research Summary & Protocol Overview
The most comprehensive review of BPC-157 available — covering 48+ studies, proposed mechanisms, dosing considerations, and open research questions.
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These tracks let the same library serve first-time readers, practitioners, and people focused on regulation or risk.
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