Peptide questions, checked carefully.Independent peptide information · Sources on every review · No sales · No dosing.
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Search the evidence

Search the evidence.

Search by name or ask a question. Find a peptide, claim, source, guide, or glossary term. We include 53 peptides, 132 reviewed claims, and 200 sources.

Quick tip: press / to focus; press Esc to clear.

Evidence badges are a quick guide. Established means strong evidence for a defined use. Emerging means human research exists, but key questions remain. Insufficient means reliable human evidence is missing or too limited.

12 results · starting points

Showing up to 12 results. Exact names and close matches appear first.
PeptidesEstablishedAn official agency review or strong, repeated studies in people support one clear use. That evidence applies only to the product, people, and use we reviewed. It does not mean the product is safe or effective for everyone.

Semaglutide

This review covers Ozempic, Rybelsus, Wegovy, and the Wegovy HD strength. Their forms, approved uses, and labels differ.

Evidence brief
PeptidesEstablishedAn official agency review or strong, repeated studies in people support one clear use. That evidence applies only to the product, people, and use we reviewed. It does not mean the product is safe or effective for everyone.

Insulin

Insulin is a family of diabetes medicines. Different products can have different timing, risks, and instructions.

Evidence brief
ClaimsEstablishedAn official agency review or strong, repeated studies in people support one clear use. That evidence applies only to the product, people, and use we reviewed. It does not mean the product is safe or effective for everyone.

“Semaglutide is FDA-approved.”

FDA approves a specific product for specific uses. The current Wegovy label lists different forms, groups of people, uses, and limits.

Semaglutide · Supported with scope · Approval and status
ClaimsEstablishedAn official agency review or strong, repeated studies in people support one clear use. That evidence applies only to the product, people, and use we reviewed. It does not mean the product is safe or effective for everyone.

“Compounded semaglutide is the same as an approved product.”

FDA says compounded drugs are not FDA-approved and are not reviewed for safety, effectiveness, or quality before marketing.

Semaglutide · Misleading · Product equivalence
Sources

OZEMPIC (semaglutide) prescribing information, revised 05/2026

U.S. Food and Drug Administration · Drug label · 2026

Used by Semaglutide
Sources

RYBELSUS (semaglutide) prescribing information, revised 10/2025

U.S. Food and Drug Administration · Drug label · 2025

Used by Semaglutide
Glossary

Active ingredient

The part of a drug intended to cause its main effect. Its name alone does not tell you what the whole product is.

Glossary definition
Glossary

Adverse event

A health problem reported after someone receives a product. It may not have been caused by the product.

Glossary definition
Guides

What are peptides?

Definition, possible benefits, safety limits, uses, and product identity.

Foundation guide
Guides

How to read peptide research

Study design, endpoints, biomarkers, scope, and source hierarchy.

Evidence literacy
Topics

Metabolic peptide medicines

Compare approved products, peptides that researchers are still studying, and peptide fragments sold in the wellness market. They are not one category.

Topic hub
Topics

Growth hormone peptides

Separate a measured hormone change from claims about muscle, fat loss, recovery, and longer life.

Topic hub