GLP-3 R, built to a research-grade standard.
High-purity GLP-3 R 15MG, verified by third-party CoA and shipped same-day from our US facility.
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The difference is on the label.
How our top-rated US supplier stacks up against the average peptide vendor.
Built to a single standard.
99% Verified Purity
Each batch is independently assayed. You see the CoA before you commit.
Consistent Lot-to-Lot
Tightly controlled synthesis and lyophilization for reproducible research conditions.
US-Based, Same-Day Ship
Order before 2PM EST on weekdays and your vials leave the facility the same day.
Third-party tested. Documented. Reproducible.
Independent CoA testing in America accompanies every batch. Purity, identity, and concentration are verified before product leaves our facility — so your research starts on solid ground.
- Strength
- 15 MG
- Purity
- ≥ 99%
- Form
- Lyophilized
- Use
- Research Only
Researchers don't switch back.
"CoA matched the assay we ran in-house to four decimal places. This is the cleanest material we've sourced in 18 months."
"Same-day shipping and pristine lyophilization. Reconstitutes clean — zero cloudiness, zero surprises in the data."
"We switched suppliers three times last year. Purgo is the first one we've stayed with."
GLP-3 R, answered.
What is GLP-3 R?+
GLP-3 R is a research peptide supplied for in-vitro and laboratory use only. It is not intended for human consumption or therapeutic application.
Do you provide a Certificate of Analysis?+
Yes — every batch ships with a third-party CoA detailing identity, purity, and concentration.
How is it shipped?+
Vials are shipped lyophilized in temperature-aware packaging, same-day on weekdays for orders placed before 2PM EST.
Where can I buy it?+
Click any 'Shop GLP-3 R' button on this page to go straight to the product on purgolabs.com.
Start your research with GLP-3 R today.
99% purity · third-party tested · same-day US shipping · 60-day guarantee.