IGF-1 LR3, also called Long R3 IGF-1, is a synthetic 83-amino-acid analog of insulin-like growth factor 1 with an extended half-life, supplied by Certiva as a lyophilized reference material for laboratory research use only. It is not for human consumption.

Is an independent Certificate of Analysis provided?

Yes. Each batch ships with an independent, third-party Certificate of Analysis reporting HPLC purity (typically ≥ 99% per batch COA) and identity confirmation. Request the current batch COA with your inquiry.

What specifications and quantities are available?

IGF-1 LR3 is stocked at 0.1 and 1 mg per vial, 10 vials per box. Bulk and custom quantities are available on inquiry. No public pricing — we reply with a COA and quote within one business day.

How should IGF-1 LR3 be stored?

Lyophilized IGF-1 LR3 is stored cold (typically -20°C), kept dry and away from light. Reconstituted material is kept refrigerated and used within its tested window; full handling notes accompany each order.

IGF-1 LR3 Peptide Supplier & COA

IGF-1 LR3 is a long-arginine-3 insulin-like growth-factor analog, supplied lyophilized for research.

Also known as: Long R3 IGF-1

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No pricing online — we reply with a batch COA and quote within one business day.

Presentation	10 vials per box
Format	Lyophilized powder
Testing	Third-party HPLC + mass spectrometry, COA per batch
Use	For research use only

For research use only. No medical, therapeutic, or dosing claims.

Working with concentration or unit conversions? Use the peptide reconstitution calculator for transparent mg, mcg, mL and U-100 arithmetic.

Storage guide: How long do lyophilized peptides last?

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Research applications

IGF-1 receptor-pathway and signalling research
Cell-proliferation and tissue-culture research
Extended-half-life analog research models
Comparative IGF-1 reference studies

Listed for research context only — Certiva makes no medical, therapeutic, or dosing claims.

Who we supply

Peptide distributors and international resellers
Research laboratories and universities
Wellness and longevity clinics
Aesthetic clinics and cosmetic procurement teams
Fitness and performance professionals

Frequently asked questions

What is IGF-1 LR3?: IGF-1 LR3, also called Long R3 IGF-1, is a synthetic 83-amino-acid analog of insulin-like growth factor 1 with an extended half-life, supplied by Certiva as a lyophilized reference material for laboratory research use only. It is not for human consumption.
Is an independent Certificate of Analysis provided?: Yes. Each batch ships with an independent, third-party Certificate of Analysis reporting HPLC purity (typically ≥ 99% per batch COA) and identity confirmation. Request the current batch COA with your inquiry.
What specifications and quantities are available?: IGF-1 LR3 is stocked at 0.1 and 1 mg per vial, 10 vials per box. Bulk and custom quantities are available on inquiry. No public pricing — we reply with a COA and quote within one business day.
How should IGF-1 LR3 be stored?: Lyophilized IGF-1 LR3 is stored cold (typically -20°C), kept dry and away from light. Reconstituted material is kept refrigerated and used within its tested window; full handling notes accompany each order.