Retatrutide for Sale — Research-Grade, Third-Party Tested
Looking to buy retatrutide? Dr Jays Peptides offers retatrutide for sale as a third-party lab-tested research peptide in lyophilized vials from 10mg to 50mg, released to a ≥99% HPLC purity specification and shipped same-day from U.S. inventory. Every lot’s analytical documentation is published below before you order. Veteran-owned and rated on Trustpilot.
In stock and ready to ship. Buy Retatrutide (LY3437943) 40mg online from Dr Jays Peptides — third-party tested, with a certificate of analysis available on request. Order by 4:00 PM ET Monday–Friday or 12:00 PM ET Saturday and it ships the same day with tracking.
- Ships same day. Order by 4 PM ET Mon–Fri or 12 PM ET Sat. Choose Ground, 2-Day or Next Day at checkout.
- Free Next Day shipping on orders of $350 or more.
- Tested. Certificate of analysis available on request.
- Earn rewards — registered customers get loyalty points on every order.
Current Lot and Analytical Documentation
Each released lot is assigned a unique lot number that appears on the product label and its corresponding analytical documentation. Review the current lot information below before ordering.
- Lot Number
- 6009-1024-01-0620
- Selected Vial Size
- SKU
- Nominal Content
- HPLC Purity
- 99.649%
- Identity Method
- Mass spectrometry (ESI)
- Identity Result
- Observed 4731.2 Da vs. theoretical 4731.4 Da (specification 4731.4 ± 1 Da)
- Salt Form
- Sodium salt
- Test Date
- April 28, 2025 (HPLC analysis); certificate dated June 20, 2025
- Testing Laboratory
- NovoPro Bioscience Inc., Quality Assurance Department
- Analytical Report
- View Full Report
Select a vial size above to see the SKU and lot information for that size.
Retatrutide Vials for Sale — Sizes and Current Pricing
Select a vial size to confirm its current price, stock status, SKU and corresponding lot documentation. Pricing and availability are updated as inventory changes.
| Vial size | SKU | Current price | Price per mg | Stock status | Lot report | Select |
|---|---|---|---|---|---|---|
| 5mg | FC3054 | $64.00 |
$12.80 | Out of Stock | View report | Unavailable |
| 10mg | FC3053 | $69.00 |
$6.90 | In Stock | View report | Select 10mg |
| 15mg | FC3052 | $90.00 |
$6.00 | In Stock | View report | Select 15mg |
| 30mg | FC3051 | $128.00 |
$4.27 | In Stock | View report | Select 30mg |
| 40mg | FC3073 | $155.00 |
$3.88 | In Stock | View report | Select 40mg |
Retatrutide Product Specifications
| Compound | Retatrutide |
|---|---|
| Development Identifier | LY3437943 / LY-3437943 |
| Product Form | Lyophilized material |
| Available Vial Sizes | 10mg, 15mg, 20mg, 30mg, 40mg and 50mg |
| Lot Identification | Printed on the product label |
| Analytical Documentation | Lot-specific documentation available |
| Inventory Status | Displayed with each product variation |
| Regulatory Status | Investigational; not approved by the U.S. FDA (status reviewed September 2026) |
| Order Fulfillment | United States fulfillment based on current inventory |
U.S. Fulfillment and Order Support
Current stock status is displayed with each vial size. Orders are processed through our U.S. fulfillment operation, and tracking information is provided when the shipment is prepared for carrier pickup.
Order Processing
Orders completed before 2:00 p.m. ET Monday through Friday are normally prepared for carrier pickup the same business day. Orders placed after the cutoff, or on weekends and federal holidays, are normally processed the following business day.
Tracking
Tracking details are provided once the shipping label is created, by email or on your order status page.
Shipping Options
Available carrier and delivery options are displayed during checkout based on the destination and current service availability. Orders ship within the United States only.
Order Issues
Contact support promptly about damaged packaging, missing products or shipment discrepancies — within 48 hours of delivery. Include the order number and clear photographs when applicable.
Customer Support
Questions about an existing order: email support@drjayspeptides.com or use the support page.
Policies
Read the shipping policy and the refund and returns policy before ordering.
About Retatrutide and LY3437943
Retatrutide, also identified as LY3437943, is an investigational peptide that has been studied for activity at the glucose-dependent insulinotropic polypeptide, glucagon-like peptide-1 and glucagon receptors. Published literature and registered studies have examined its pharmacology and clinical effects.
This product page is designed to provide current product specifications, vial options, pricing, lot documentation and fulfillment information. A separate scientific overview covers mechanism, published studies and development history in more detail.
Read the Retatrutide scientific overview
Retatrutide Product Questions
What Retatrutide vial sizes are currently available?
Current vial sizes and stock status are displayed in the product selector and pricing table above. Availability is updated as each lot is received or depleted.
Where can I view the current lot report?
Select a vial size and use the “View Current Lot Report” button. The lot number shown in the report should correspond to the lot information associated with the selected product.
What analytical testing is provided?
The testing shown on this page applies only to the lot identified in the corresponding report. Review the complete analytical document for the methods, results and scope reported by the testing laboratory.
Does every vial size use the same lot?
Not necessarily. Different vial sizes or inventory shipments may be associated with different lots. Confirm the lot information displayed for the selected product before ordering.
How quickly are orders processed?
Orders completed before the posted 2:00 p.m. ET business-day cutoff are normally prepared for carrier pickup the same business day. Orders completed after the cutoff are normally processed the following business day. Carrier transit times vary by service and destination.
Will I receive tracking information?
Yes. Tracking details are provided once the shipping label is created, by email or on your order status page.
Are bulk quantities available?
Ten-vial kits may be available through the bulk Retatrutide section, subject to current inventory.
Is Retatrutide FDA approved?
No. As of September 2026, Retatrutide (LY3437943) is an investigational compound and has not been approved by the U.S. Food and Drug Administration. Eli Lilly has said it plans to submit an application for FDA review in early 2027; a submission is not an approval.
What is the RETA peptide?
“Reta” is the common research shorthand for retatrutide (LY3437943). Researchers searching for the reta peptide are looking for the same compound supplied on this page as lyophilized vials with lot-specific analytical documentation.
Where can I buy retatrutide online?
You can buy retatrutide online directly from this page. Select a vial size to see current pricing and stock, review the lot’s analytical documentation before ordering, and orders ship from U.S. inventory with tracking.
Related Retatrutide Information
Bulk Retatrutide Options
Bulk Retatrutide — ten-vial kits. Ten vials of one size in a single kit, priced per kit. Current kit pricing:
Price range: $340.00 through $1,520.00. Availability follows current inventory.
Bulk Retatrutide options
Prefer a pen? Skip reconstitution with the prefilled Retatrutide 40mg Auto-Injection Pen — now on pre-order.
Reconstitution Chart (2 mL)
Mixing reagent: Bacteriostatic water. Add 2 mL to the vial.
| Vial size | Concentration | Per 1 unit (100-unit syringe) | Per 10 units |
|---|---|---|---|
| 40 mg | 20 mg/mL | 200 mcg | 2000 mcg |
Chart shows mixing math only.
For research use only.
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