Retatrutide 15mg — Lyfe Peptides

Retatrutide is a synthetic triple-agonist peptide studied in laboratory settings for its interaction with GLP-1, GIP, and glucagon receptors. It is supplied as a lyophilized powder for reconstitution in a research environment.

Research context

This compound appears in published literature examining multi-receptor incretin signaling and downstream metabolic pathway activity. Investigators typically reconstitute with bacteriostatic water prior to use in controlled study protocols.

What ships with this product

One sealed 15mg vial, lyophilized powder
Batch-specific Certificate of Analysis
Tamper-evident packaging with lot documentation

Bacteriostatic water is sold separately and is not included.

Compound	Retatrutide (lyophilized)
Quantity per vial	15mg
Purity	99.4% (HPLC verified)
Molecular formula	C₂₂₁H₃₄₂N₄₆O₆₈
Molecular weight	4731.3 g/mol
CAS number	2381089-83-2
Physical form	White lyophilized powder
Storage (sealed)	−20°C, protected from light
Storage (reconstituted)	2–8°C, use within 30 days
Source	US laboratory, third-party tested
Lot number	LY-2604

Every batch is independently tested before release. The report below corresponds to the exact lot you'll receive.

Retatrutide 15mg — Lot LY-2604

HPLC purity 99.4% · Mass spec confirmed · Tested 06/2026

View PDF

What the report covers

HPLC chromatogram with purity percentage
Mass spectrometry identity confirmation
Appearance, solubility, and moisture content
Heavy metals and residual solvent screening

Shipping

Orders placed before 12pm MT Monday–Friday dispatch the same business day. Free FedEx 2-day shipping applies to orders over $149; standard rates are calculated at checkout. Tracking is emailed as soon as the package leaves our facility.

Packaging

All shipments use plain, discreet outer packaging with no product branding visible. Vials ship in protective foam inserts with the batch COA enclosed.

Storage

Sealed vials: store at −20°C, protected from light. Stable for 24 months from the manufacture date.
After reconstitution: refrigerate at 2–8°C and use within 30 days. Do not freeze after reconstitution.
Avoid repeated temperature cycling and direct sunlight.

Returns

Because these are research materials, opened vials cannot be returned. Unopened items in original packaging may be returned within 14 days. Damaged or incorrect shipments are replaced at no cost — contact support with your order number and photos.

D. Reyes

✓ Verified purchase

★★★★★

COA came through with the shipment and matched the lot on the vial. Packaging was clean and labeling was clear. Ordering process was straightforward.

M. Kowalski

✓ Verified purchase

★★★★★

Shipped same day as promised and arrived in two days. Vial was well protected and the powder was intact with no cracking.

J. Tran

✓ Verified purchase

★★★★☆

Support answered a labeling question the same day. Would like to see a 20mg option stocked more consistently, but no complaints on the product itself.

Retatrutide

Research context

What ships with this product

Retatrutide 15mg — Lot LY-2604

What the report covers

Shipping

Packaging

Storage

Returns

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