---
title: "IGF-1 LR3"
description: "⚠️ IGF-1 LR3 is a modified IGF-1 with extended half-life. Can induce muscle hyperplasia (increase in the number of fibers). Effects very different from HGH. Risk of hypoglycemia and growth of unwanted tissues. Advanced protocols only."
lang: en
dateModified: 2026-05-25
canonical: https://anaprotokol.com/en/molecule/igf1-lr3
---

# IGF-1 LR3

⚠️ IGF-1 LR3 is a modified IGF-1 with extended half-life. Can induce muscle hyperplasia (increase in the number of fibers). Effects very different from HGH. Risk of hypoglycemia and growth of unwanted tissues. Advanced protocols only.

**Catégorie** : Peptide
**Voie d'administration** : Injectable
**Demi-vie** : 20–30 heures
**Détection** : Non détecté usuellement
**Aromatisation** : Non
**Progestine** : Non
**Hépatotoxique** : Non
**PCT requise** : Non

**Autres noms** : IGF-1 LR3

## Effets
- Muscle hyperplasia (new muscle nuclei)
- Exceptional recovery
- Lipolysis
- Anti-catabolism

## Effets secondaires
- Hypoglycemia (monitor blood sugar)
- Growth of existing tissues (organs, tumors if predisposed)
- Bodybuilder gut (HGH gut) long-term

## Suppléments de soutien
- Carbs post-injection (hypoglycemia)
- Zinc
- Vitamin D3

## Synergies
- HGH
- Steroids
- Insulin (advanced protocols)

## À éviter
- People with cancer predispositions
- Cycles > 6 weeks (sensitivity loss)
- Without blood-sugar monitoring

## Dosage masculin
- Débutant : 20–30 mcg/j
- Intermédiaire : 40–60 mcg/j
- Avancé : 80–100 mcg/j

## Dosage féminin
10-20 mcg/day

**Fréquence** : 1× / day post-workout (cycles of 4-6 weeks max)