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product overview

What IGF-1 LR3 is used for.

IGF-1 LR3 is a modified growth-factor analog studied for the growth-hormone axis and lean mass. Research looks at it for muscle growth, recovery, and body composition. It sits in the growth-and-performance space and is studied as a downstream growth-factor option rather than a GH-releasing one.

Peptide size

83 amino acids

Category

Growth & Performance

Size

1 mg

  • Growth-and-performance research focused on lean mass and muscle growth.
  • Recovery and body-composition protocols using growth-factor signaling.
  • Studied as a downstream growth-factor option, not a GH-releasing one.

research note

IGF-1 LR3 is typically researched with conservative dosing because of its potency and long action. Track recovery, body composition, and tolerability before adjusting.

99.4%

Avg purity

HPLC-tested batches

60 days

Guarantee

Shop with confidence

48 hr

Cold-chain

Temperature-aware shipping

Batch verifiedCOA documentation is available for every product.

premium-grade research peptide

IGF-1 LR3

Modified growth factor analog. Lyophilized powder for reconstitution.

Batch verified
Tracked shipping
Protected
In stock · ready to ship

Orders placed today are expected to arrive Jun 30 - Jul 2.

WarehouseSaturday
In TransitJun 28
DeliveredJun 30 - Jul 2

why researchers choose us

Quality you can trace.

Batch-tested purity

Every vial ships with a Certificate of Analysis from an independent third-party lab. No exceptions.

Fast shipping

Orders ship within 1-2 business days. Standard delivery in 3-7 business days across Europe.

60-day guarantee

Not satisfied? Get in touch within 60 days.

research context

What the research says.

IGF-1 LR3 is studied as a modified growth-factor analog for its role in muscle growth and lean mass.

Lyophilized research peptides of this class are valued for stability and consistent reconstitution.

Independent third-party testing confirms batch-level purity before release.

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