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IGF-1 LR3

4.98 · Batch-verified COA · 7,496+ reviews

70,000+ Orders Shipped

Batch-Verified COA Included

Fast, Tracked Shipping

Not for human or animal use.
Not intended for medical or therapeutic application.

Orders placed today are expected to arrive Apr 02 – Apr 04.
Purchased
Mar 28
Processing
Mar 29 - Mar 30
Delivered
Apr 02 - Apr 04

Buyer Protection & Quality Assurance

International orders are fully protected with reship or refund coverage. All products follow documented lab procedures and include batch-verified COAs — no dilution, no hidden changes.

Overview

Description

Syna Peptides – IGF-1 LR3 (Long Arg3) is a synthetic research peptide derived from the naturally occurring IGF-1 (Insulin-Like Growth Factor-1) protein.

The LR3 variant is specifically engineered for in-vitro research into cell growth, muscle-tissue development, and metabolic signaling pathways. It features an extended N-terminal amino-acid chain with an arginine substitution at position 3, resulting in a longer functional half-life and increased receptor-binding capacity in laboratory research models.

IGF-1 LR3 is verified using High-Performance Liquid Chromatography (HPLC) to ensure consistent research-grade purity.


Research Relevance

  • Cell growth and proliferation – studies examining cellular expansion and regeneration

  • Muscle-tissue signaling – research focused on protein synthesis and anabolic pathways

  • IGF-receptor activation – models exploring insulin-like growth factor signaling

  • Metabolic signal transduction – investigation of growth-related metabolic pathways

  • Endocrinology and anabolic research – widely used in controlled in-vitro studies


Product Details

  • Name: IGF-1 LR3 (Long Arg3)

  • Molecular Formula: C₃₃₂H₅₁₅N₉₇O₉₈S₇

  • Molecular Weight: ~9,117 Da

  • Form: Lyophilized (dry powder)

  • Purity: ≥97.8% (HPLC tested)

  • Storage: Store refrigerated, protected from light and moisture


For laboratory and in-vitro research use only.
Not for human or animal use.
Not intended for medical or therapeutic application.

Buyer notice & verification standard

The peptide market includes anonymous resellers, short-lived operations, and vendors operating through private Telegram channels using inconsistent, unverifiable, or recycled documentation.

Aūra was built as a long-term alternative in a category where many suppliers appear briefly and disappear just as fast.

We operate under a strict verification standard: independent batch testing, lot-specific Certificates of Analysis, and clearly defined release thresholds. Batches that fail are rejected and never shipped — so labs know exactly what they’re receiving, every time. All orders are discreetly packaged with neutral labeling and documentation to ensure smooth, consistent delivery.

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OUR CUSTOMERS TELL IT BETTER THAN WE DO

Excellent 4.98 / 5

Based on 532 verified reviews

Made by leading physicians and researchers.

Our medical advisory team develops and validates advanced peptide protocols exclusively available at Aūra—delivering evidence-based therapeutic solutions with rigorous scientific oversight.

Michael Harrison, PhD

Research Design & Literature Review

Jensen Sakata, PhD

Lead Peptide Research Scientist

Tom Burr

Independent Scientific Oversight Consultant

Why Choose Aūra Peptides

Every Aūra Peptides batch is built around one idea: you should know exactly what’s in the vial. Batches are third-party analyzed, COA-backed, and fully traceable so you’re not gambling on mystery compounds.

From controlled synthesis partners to batch-specific Certificates of Analysis (COAs), Aūra is designed for teams who want clean, consistent material and repeatable outcomes — not guesswork.

Each lot is produced with vetted synthesis partners and released only after passing third-party identity and purity testing (HPLC, MS or equivalent where appropriate). Batches that don’t meet spec simply don’t ship.

No mystery blends. Each vial is clearly labeled with peptide name, strength, lot ID, and form (lyophilized powder or solution). Batch COAs are available for every peptide so you can document exactly which material was used in each project.

Products are packaged, labeled, and shipped as research-only reference materials. All Aūra Peptides products are supplied strictly for laboratory research use only — not for human or animal consumption, medical treatment, or diagnostic procedures.

Lots are checked for appearance and practical handling characteristics such as solubility and stability under recommended storage conditions, so you spend less time troubleshooting reagents and more time running your work.

*Aūra Peptides products are sold strictly for laboratory research use only. Not for human or animal use, or any diagnostic or therapeutic application.*

We’re a whole different breed.

Every product follows a standardized, verified process. Clear documentation, consistent batches, and independent verification—because our customers satisfaction is our main priority.

Syna Peptides

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COA Documentation
3rd Party Identity & Purity Testing
USA Based
Real brand, real support

*100% satisfaction. No fuss, 365-day money-back guarantee

Frequently Asked Questions

Yes. Each batch undergoes independent third-party analytical testing to confirm identity, purity, and composition before being released for research distribution.

Research outcomes vary widely depending on the model, environment, and methodology used.
Aūra makes no claims regarding timeframes, results, or biological outcomes.

Because documentation, third-party testing, and consistent manufacturing cost more than unverified sourcing. Lower prices usually mean skipped steps—we don’t skip steps.

Yes. Orders are processed promptly with same-day handling on most orders, excluding weekends and holidays.

Yes. All products are sold in compliance with applicable regulations and include appropriate documentation and labeling.

Retatrutide, GHK-CU, & BPC-157

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Aūra Peptides
5700 NW 37th Ave, Miami, FL 33142

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Unlimited delivery for only $175

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