Retatrutide 10, 20 & 30 mg,
independently verified.
Lyophilized retatrutide (LY3437943) with an independent COA for every lot. Mix any strengths in one order; volume pricing applies automatically.
- HPLC purity (10 mg)
- 99.885%
- Identity
- MS confirmed
- Lot (10 mg)
- R1031999
Build your order
In stock, one-time order, no subscription
Tap + to add vials of any strength, or start from a quick pick. Volume pricing counts every vial in the order.
- Independent COA for every lot, HPLC + mass spec
- Secure checkout, card or crypto, no account needed
- First order? FIRST20 takes 20% off; the better of FIRST20 or volume pricing applies
- Free U.S. shipping over $200
Sold to qualified researchers aged 21+ for laboratory research use only. Not for human or animal consumption, or for medical, therapeutic, diagnostic or cosmetic use.
- HPLC purity (10 mg)
- 99.885%
- Identity
- MS confirmed
- Lot (10 mg)
- R1031999
Independent lab testingFreedom Diagnostics Testing, report 2603250186
HPLC purity + mass specPurity and identity checked for the lot
Lot-matched labelsThe lot on your vial links to its report
Real supporthelp@accelsciences.org
Inspect the vial
before it arrives.
Select a point on the label to see what it tells you, and how to check it when your order lands.
Blue flip-off cap over a silver crimp seal.
The cap and crimp should be intact and unbroken when your order arrives.
The Accel mark and wordmark.
Every Accel vial carries the same mark on its blue side band.
G3 is Accel's code for Retatrutide.
Match G3 to the product named on your packing slip and order confirmation.
The strength: 10 mg shown here.
The amount on the label matches the strength you ordered (10, 20, 30 mg).
Research use only.
Supplied for qualified laboratory research. Not for human or animal use.
Arrival checklist
0 of 4 checkedEvery lot tested.
Every report on record.
An independent laboratory analyzes the lot. HPLC measures purity and mass spectrometry confirms identity. Match the lot on your vial to its report before you begin.
- Lot
- R1031999 (10 mg)
- Laboratory
- Freedom Diagnostics Testing
- Report number
- 2603250186
- Reported
- Mar 26, 2026
- Method
- HPLC-UV with mass spectrometry
- Measured content
- 12.96 mg (10 mg labelled)
Mix strengths.
Every vial counts.
Price per vial depends on the total number of vials in your order, in any mix of strengths. Your current tier is highlighted.
Any strength,
one order.
Choose 10, 20, 30 mg, or all of them. Every vial in the order counts toward volume pricing, so a mixed order saves as much as a single-strength one.
- 2 vials: 5% off every vial
- 3 or more vials: 10% off every vial
- Every lot has its own certificate of analysis
About
retatrutide.
Retatrutide (LY3437943) is an investigational synthetic peptide studied as a triple agonist of the GIP, GLP-1 and glucagon receptors. Laboratories use it in receptor pharmacology, signalling and binding research.
Retatrutide is not an approved drug. Accel supplies it only as a research material for qualified professionals.
Storage and handling
Keep lyophilized material frozen (around −20 °C), sealed and protected from light and moisture. Let the vial reach room temperature before opening, and follow your laboratory's validated protocols.
Specifications
- Compound
- Retatrutide (LY3437943)
- Product code
- G3
- CAS number
- 2381089-83-2
- Molecular formula
- C221H342N46O68
- Molecular weight
- 4731.3 g/mol
- Strengths
- 10, 20, 30 mg per vial
- Form
- White lyophilized powder
- Purity (HPLC)
- 99.885%, lot R1031999 (10 mg)
- SKU
- AP-G3-10 · AP-G3-20 · AP-G3-30
- Intended use
- Laboratory research only
What is retatrutide used for in research?
It is studied as a triple agonist of the GIP, GLP-1 and glucagon receptors in pharmacology, signalling and receptor-binding research. It is an investigational compound and is not approved for any medical use.
How are purity and identity verified?
An independent laboratory (Freedom Diagnostics Testing) tests the lot. HPLC measures purity (99.885% for lot R1031999) and mass spectrometry confirms identity.
How do I match my vial to its COA?
Find the lot number printed on your vial and enter it in the lot lookup above, or open the report linked from your order. The lot on the report should match the lot on the vial.
Which strengths do you offer, and can I mix them?
Retatrutide comes in 10, 20, 30 mg vials. You can combine any strengths in one order, and every vial counts toward volume pricing.
How does volume pricing work?
Price per vial depends on the total number of vials in your order, in any mix of strengths: 2 vials take 5% off every vial, 3 or more take 10% off every vial. It is applied in your bag automatically.
Do you offer bulk or institutional pricing?
Yes. For five or more vials, or purchase orders, email help@accelsciences.org with the strengths and quantities you need and we'll send a quote.
Can I use a discount code?
First-time customers can use FIRST20 for 20% off eligible merchandise. Codes don't stack with volume pricing; your order gets whichever is better. Shipping and tax aren't discounted.
How should retatrutide be stored?
Keep lyophilized material frozen, sealed and protected from light and moisture, and follow your laboratory's validated protocols.
Where do you ship, and how much is shipping?
We ship to U.S. addresses. Standard shipping is $15, and free on orders over $200 in merchandise after discounts. The exact cost is shown at checkout before you place your order.
Who can purchase?
Qualified researchers aged 21 or older, for laboratory research. Products are not for human or animal consumption.
Do you provide dosing or administration guidance?
No. Accel supplies research materials only and does not provide dosing, administration or medical guidance.
Verified lot.
Ready to ship.
Mix any strengths. 3 or more vials take 10% off every vial, and every lot is independently tested with its certificate of analysis on record.
