RETA (GLP-3) Peptide
RETA (GLP-3) peptide. Our most popular metabolic peptide, known for its broad, multi-pathway profile. A strong foundation for customers building a metabolic-focused lineup.
Reported purity: 99.82%
Available sizes
| Product and size | Price per vial | Availability |
|---|---|---|
| RETA (GLP-3) 20mg | $124.99 | In stock |
| RETA (GLP-3) 30mg | $149.99 | In stock |
Additional information
How much does RETA (GLP-3) cost?
RETA (GLP-3) starts at $124.99 per vial.
| Size | Per vial |
|---|---|
| 20mg | $124.99 |
| 30mg | $149.99 |
Packs discount every vial in the order
- 2 vials
- 5% off
- 3 vials
- 10% off
- 5 vials
- 14% off
- 10+ vials
- 18% off
Free standard shipping on orders over $125.
Where to buy RETA (GLP-3)
RETA (GLP-3) is for sale direct from Prism Labs.
- USA made
- 99.82% reported purity
- Batch Certificate of Analysis published on this page
- Orders before 4:30 PM CT ship the same day, seven days a week, when inventory is available
Also written GLP3 or GLP 3.
Is RETA (GLP-3) in stock?
Every listed size is in stock and ships the same day.
- 20mg In stock
- 30mg In stock
The size table on this page carries live availability.
Is RETA (GLP-3) sold in a bundle or stack?
Yes, in two research bundles.
Reta (GLP-3) Supply Pack $352.46 in total
- RETA (GLP-3) 20mg × 3
- Prism H2O 10ml × 1
Advanced Metabolic Activation $269.96 in total
- RETA (GLP-3) 30mg × 1
- MOTS-c 10mg × 1
- Tesamorelin 10mg × 1
- Prism H2O 10ml × 1
Each compound comes in its own vial with its own batch report; none of the bundles is a premixed blend.
How is RETA (GLP-3) tested?
Every batch goes to an independent laboratory for identity, purity and content testing.
Most recent published report for RETA (GLP-3)
- Tested
- October 26, 2026
- Purity
- 99.82%
- Lot
- 136940
- Labeled / measured
- 30mg / 31.24mg
Published reports cover past lots and do not name the lot a new order ships with.
How do I mix RETA (GLP-3)?
Supplied as a lyophilized powder and mixed with Prism H2O before use. The reconstitution calculator turns a vial size and a water volume into units on the syringe.
Who is Prism Labs?
Prism Labs (prismlabs.store) is a Texas-based online store for research peptides, sold for laboratory research use only. It lists 25 research compounds, supplied as lyophilized vials, and publishes an independent lab report for every batch.
Prism Labs sells only at prismlabs.store and its backup address prismlabs.shop. Other sellers with similar names are separate companies.
About RETA (GLP-3) peptide
RETA (GLP-3) is a large synthetic peptide designed to activate several related hormone receptors with a single molecule, a type of compound researchers call a multi-receptor agonist. Its developer first described it in 2022. Prism Labs supplies it as a lyophilized vial.
RETA (GLP-3) is one modified peptide chain, not a blend of separate peptides. The reference record lists the formula C221H342N46O68 and a molecular weight of about 4,731 g/mol (PubChem CID 171934787).
Certificates of Analysis
Independent testing and batch documentation for RETA (GLP-3).
Lot 136940 — 30mg — 2026-10-26
- Purity
- 99.82%
- Measured content
- 31.24mg
- Identity
- Confirmed
- Heavy metals
- PASS (Sep 22)
- Sterility
- PASS (Sep 22)
- Endotoxin
- NMT 0.05 EU/mL (Sep 22)
Lot 497799 — 20mg — 2026-10-26
- Purity
- 99.84%
- Measured content
- 20.74mg
- Identity
- Confirmed
- Heavy metals
- PASS (Sep 23)
- Sterility
- PASS (Sep 23)
- Endotoxin
- NMT 0.05 EU/mL (Sep 23)
Storage
Our peptides are shipped in lyophilized powder form, which is stable at room temperature. Use our Prism H2O to reconstitute.
Shipping & Returns
Free standard shipping for orders over $125.00, with a 2-day shipping option at checkout.
All sales are final. Shipment protection covers eligible damaged deliveries reported with supporting photos.
Shipping information and return policyProduct specifications
- Listed sizes
- 20mg, 30mg
- Format
- Vial
- Reference molecular formula
- C221H342N46O68
- Reference molecular weight
- 4731 g/mol
Database reference values, not a batch measurement. Salts and water change the supplied mass; the batch COA reports measured identity, purity and content.
Covalent structure from the linked record, without counterions. No batch salt form or sequence is asserted.
Research Literature
- Multi-receptor pathway phase 2 research — New England Journal of Medicine
- Counter-regulatory pathway phase 2 research — The Lancet
- Synthesis pathway research — Nature Medicine
Read our Research article by Prism Labs
Product questions
Which sizes are listed?
RETA (GLP-3) is listed in 20mg, 30mg. The size table shows the current price and availability for each option. Select an option on the product page to check its purchase choices.
Where can I verify the batch report?
The Certificates of Analysis section lists published lots, tested dates, measured content and reported purity. Open the laboratory verification link or the report PDF for the matching lot. These records include historical batches; they do not identify which lot will ship with a new order.
What storage information is provided?
Our peptides are shipped in lyophilized powder form, which is stable at room temperature. Use our Prism H2O to reconstitute.
What shipping options are offered?
Free standard shipping is available for orders over $125.00. A 2-day shipping option is offered at checkout. See the shipping page for the current shipping and return policy.