Certificates of Analysis
Independent third-party lab results for each batch. Verify any batch at /verify.
10mg — per vial
RET010-001CURRENT
View COA ↗
Purity99.427%Net13.12 mgEndotoxins✓ PassProducedMay 2026
30mg — per vial
RET030-001CURRENT
View COA ↗
Purity98.95%Net30.01 mgProducedJuly 2026
For full transparency, we also publish batches that did not pass quality testing. These are not sold — click any batch to view its COA.
5mg — per vial
RET005-001FAILED
View COA ↗
Reason: Unknown Compound
Purity0%Net0 mgEndotoxins✗ FailProducedMay 2026
10mg — per vial
RET010-002FAILED
View COA ↗
Reason: Unknown Compound
Purity0%Net0 mgEndotoxins✗ FailProducedMay 2026

Retatrutide

Retatrutide is a synthetic triple-receptor agonist peptide that binds three incretin and glucagon receptors simultaneously: GIP (glucose-dependent insulinotropic polypeptide), GLP-1 (glucagon-like peptide-1), and the glucagon receptor. Each receptor mediates a distinct signaling pathway within in-vitro metabolic and endocrine research models.

Because it engages all three receptors at once, retatrutide provides researchers with a reference tool for studying combined receptor activation that single- or dual-agonist compounds cannot replicate. Reported areas of laboratory interest include receptor-binding affinity, downstream cAMP signaling, incretin pathway crosstalk, and comparative agonist studies.

As the most recently characterized compound in the GLP-1 agonist research class, retatrutide is used as a frontier reference compound in in-vitro metabolic pathway research.

This vial contains lyophilized Retatrutide at high purity, verified by independent, third-party analytical testing.

Price range: $65.00 through $160.00

Ships same day M-F (order by 3 PM PT)
Purity guaranteed or replaced
For Research Use Only. Not for human or veterinary use.

Additional information

Purity>99% purity guaranteed
Molecular Weight4528.2 Da
Molecular FormulaC₂₁₀H₃₁₁N₅₇O₆₄
SequenceTyr-Aib-Glu-Gly-Thr-Phe-Thr-Ser-Asp-Val-Ser-Ser-Tyr-Leu-Glu-Gly-Gln-Ala-Ala-Lys(C20 fatty diacid)-Glu-Phe-Ile-Ala-Trp-Leu-Val-Lys-Gly-Arg-Ala-Ala-Gln-Gly-Glu-Leu-Tyr-Ser-Gly-Leu
CAS Number2381270-65-9
AppearanceWhite to off-white lyophilized powder
Storage-20°C / -4°F (lyophilized); 4°C / 39°F reconstituted in Bacteriostatic Water, use within 28 days
SolubilitySoluble in water at 1 mg/mL
Size

5mg, 10mg, 30mg

COA & Testing

Certificates of Analysis
Independent third-party lab results for each batch. Verify any batch at /verify.
10mg — per vial
RET010-001CURRENT
View COA ↗
Purity99.427%Net13.12 mgEndotoxins✓ PassProducedMay 2026
30mg — per vial
RET030-001CURRENT
View COA ↗
Purity98.95%Net30.01 mgProducedJuly 2026
For full transparency, we also publish batches that did not pass quality testing. These are not sold — click any batch to view its COA.
5mg — per vial
RET005-001FAILED
View COA ↗
Reason: Unknown Compound
Purity0%Net0 mgEndotoxins✗ FailProducedMay 2026
10mg — per vial
RET010-002FAILED
View COA ↗
Reason: Unknown Compound
Purity0%Net0 mgEndotoxins✗ FailProducedMay 2026

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Research Summary: The following information is provided for research context only.

Retatrutide is a synthetic triple-receptor agonist peptide that binds three incretin and glucagon receptors simultaneously: GIP (glucose-dependent insulinotropic polypeptide), GLP-1 (glucagon-like peptide-1), and the glucagon receptor. Each receptor mediates a distinct signaling pathway within in-vitro metabolic and endocrine research models.

Because it engages all three receptors at once, retatrutide provides researchers with a reference tool for studying combined receptor activation that single- or dual-agonist compounds cannot replicate. Reported areas of laboratory interest include receptor-binding affinity, downstream cAMP signaling, incretin pathway crosstalk, and comparative agonist studies.

As the most recently characterized compound in the GLP-1 agonist research class, retatrutide is used as a frontier reference compound in in-vitro metabolic pathway research.

This vial contains lyophilized Retatrutide at high purity, verified by independent, third-party analytical testing.

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