The foundations
What are peptides?
Short amino-acid chains. Many different biological roles.
Read the illustrated guide
A clear map of peptide medicines & research
Small molecules.
Big questions.
The 30-second primer
What is a peptide?
Peptides are short chains of amino acids. Many act as precise biological signals—but the catalog around them also includes hormones, blends, diluents and small molecules. This guide labels the difference, keeps the evidence visible, and shows where the certainty ends.
107source-linked catalog entries
10jobs for fast filtering
11entries explicitly flagged “not a peptide”
TCW illustrated field notes
Peptides, explained visually.
Choose a chapter
The field guide,
opened up.
Each major subject now has room to breathe—shorter pages, clearer navigation, and a visual plate of its own.
01
Peptide Field Guide
Search all 107 entries, open the evidence notes, and carry any entry into the vial lab.
Open chapter →
02
Vial Math + planning
Vial Math, Cycle Planner and Dosage Reference in one workspace.
Open chapter →
03
The signal stack
See how GLP-1, GIP and glucagon programs differ across single, dual and triple agonists.
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04
Injection & medication care
Understand pens, needles, site rotation, storage and preparation with source-linked guidance.
Open chapter →The TruCore Wellness app
Protocol Tracking
Keep a personal log of protocols, vials and how your research is going—all in one place.
18+ · Research and education onlyA useful mental model
Think of the body
as a living city.
Proteins help build the city. Many peptides act more like dispatch messages: short signals sent to cells with the right receptor “address.”
The message may be local or travel through circulation, depending on the peptide.
Cells without the relevant receptor do not interpret the message the same way.
That response can affect secretion, metabolism, growth, repair or another specific process.
A useful rule of thumb
“Peptide” describes a kind of molecule—not a promise that a product works.
Ask what was studiedCheck the indicationLook for regulated supply
Safety first
Keep the claim
separate from the evidence.
Online peptide markets often blur licensed medicines, compounded drugs and research products. An FDA-approved active ingredient does not make every vial bearing that name equivalent to an approved product.
- Discuss symptoms and treatment goals with a licensed clinician.
- Use prescription medications from a state-licensed pharmacy.
- Verify concentration in mg/mL—not just syringe “units.”
- Do not use a product if identity, sterility or storage history is uncertain.
TCW illustrated field notes
Evidence before promises.
The foundations
Evidence before promises
Peptides are a category of molecules—not a guarantee of results.
Read the illustrated guideTCW quick references
