Puritide Research
Research-grade purity. Verified on every lot.
- Third-party tested
- ≥99% HPLC purity
- COA with every order
- Made in USA
Researcher Favorites
Our top-selling, purity-verified research compounds. Explore the full catalog organized by research pathway.
≥99%Retatrutide
GLP-1 / GIP / glucagon triple receptor agonist studied in energy-balance and lipid-handling models. Lyophilized.
Certificate of AnalysisLOT #GLP154136-35K · 99.96%PASS
≥99%Tirzepatide
GLP-1 / GIP dual receptor agonist studied in combined-incretin and glycemic-signalling models. Lyophilized.
Certificate of AnalysisLOT #GLP157894-79O · 99.74%PASS
≥99%Semaglutide
Long-acting GLP-1 receptor agonist analogue studied in incretin and metabolic-research models. Lyophilized.
Certificate of AnalysisLOT #GLP158643-30T · 99.43%PASS
≥99%BPC-157
Synthetic pentadecapeptide studied in soft-tissue and gastrointestinal regenerative-signalling research. Lyophilized.
Certificate of AnalysisLOT #BPC158010-31I · 99.70%PASS
≥99%TB-500
Active fragment of Thymosin Beta-4 studied in actin sequestration and connective-tissue remodelling. Lyophilized.
Certificate of AnalysisLOT #TB158613-36D · 99.73%PASS
≥99%Cagrilintide
Long-acting amylin analogue studied in metabolic-research models, frequently alongside GLP-1 agonists. Lyophilized.
Certificate of AnalysisLOT #CAG153138-96S · 99.58%PASSEvery vial is verifiable
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Independent lab testing
Each lot is tested by a third-party lab: HPLC for purity, mass spectrometry for identity.
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A certificate for every lot
The certificate of analysis for your exact lot ships with your order and is posted online.
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Verify it yourself
Type the lot number from your vial below to see its purity, testing lab and test date.
Check a lot number
Shop by research area
- GLP-1 & metabolic peptidesShop →
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- Longevity & mitochondrial peptidesShop →
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Why researchers order here
Ships fast from the USA
UPS delivery in 1 to 5 business days, with tracking on every order.
Free shipping over $200
Standard shipping is free on any order over $200, applied automatically at checkout.
Save on multiple vials
Buy 3, save 5%. Buy 6+, save 10%. Per product, applied automatically.
Know what you’re studying
- Comparison · 6 min read
Retatrutide vs Tirzepatide vs Semaglutide: A Research Comparison
Semaglutide activates one receptor (GLP-1R), tirzepatide activates two (GLP-1R and GIPR), and retatrutide activates three (GLP-1R, GIPR, and the glucagon receptor).
Read → - Comparison · 6 min read
BPC-157 vs TB-500: Comparing Two Repair Research Peptides
BPC-157 is a synthetic 15-amino-acid peptide derived from a gastric juice protein, while TB-500 is a synthetic fragment of thymosin beta-4.
Read → - Comparison · 5 min read
GHK-Cu vs AHK-Cu: A Research Comparison
GHK-Cu and AHK-Cu are copper(II) complexes of tripeptides that differ only in their first amino acid, glycine versus alanine.
Read →
Before you order
How is each batch tested?
Every lot is tested by an independent lab using analytical HPLC for purity and mass spectrometry for identity. The certificate of analysis for your lot comes with your order, and you can look any lot up on our verify page.
How fast do orders ship?
Orders ship from the USA by UPS and arrive in 1 to 5 business days. Standard shipping is free on orders over $200.
Who are these products for?
Our compounds are sold for laboratory research use only. They are not for human or veterinary use, and they are not drugs, supplements, or food.
How do I pay?
Checkout takes major credit and debit cards through a secure payment page. Your card details never touch our store.
15% off your first order
Leave your email for a one-time code. It applies automatically at checkout.
For laboratory research use only. One code per customer.