Peptides/IGF-1 LR3
💪 Performance & Muscle Mass PRO

IGF-1 LR3 (Long R3 IGF-1 · Insulin-like growth factor-1 LR3)

Long-acting insulin-like growth factor for muscle synthesis

Also known as:
Long R3 IGF-1Insulin-like growth factor-1 LR3

What is IGF-1 LR3

IGF-1 LR3 is a long-acting analog of Insulin-like Growth Factor 1 (IGF-1), with a half-life 120x longer than native IGF-1. It potently promotes protein synthesis, muscle hypertrophy, and cellular regeneration.

Administration Protocol

PRO
1
Dose
20-100 mcg/day
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Community reviews

4.7(3)
Eduardo P.

Excelente. As explicações sobre mecanismo e benefícios me deram segurança pra começar com responsabilidade.

07 de mai. de 2026
Diego R.

Estou satisfeito até agora. Recomendo ler as contraindicações antes, como o site orienta.

01 de mai. de 2026
Mariana L.

Conteúdo de altíssima qualidade. Segui a dosagem indicada e a tolerância foi ótima, sem efeitos relevantes.

24 de jan. de 2026

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Where to buy

IGF-1 LR3 from Royal Peptides — lab-tested purity and worldwide shipping.

View on Royal Peptides

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PeptideMed Plus is an informational platform and affiliate partner. We do not sell, ship or take responsibility for delivery, deadlines, payment, quality, customs or after-sales of the products. The purchase happens entirely on the partner's site, under their and the buyer's sole responsibility.

Quick Facts

ClassificationInsulin-like growth factor
Half-life~20-30 hours
CategoryPerformance & Muscle Mass
Evidence LevelPreclinical (strong)

This content is informational. Consult a healthcare professional before using any peptide.