IGF-LR3
Facteur de croissance analogue à l'insuline à action prolongée — croissance musculaire et récupération
Aperçu
IGF-LR3 est une version modifiée du facteur de croissance insulino-like de type 1 (IGF-1), dotée d'une demi-vie prolongée afin d'assurer des effets durables de développement musculaire.
Key Information
Mechanism
Se lie aux récepteurs de l'IGF-1 pour favoriser la synthèse des protéines musculaires, l'activation des cellules satellites et l'hypertrophie musculaire. La modification LR3 prolonge la demi-vie à ~20 heures.
Benefits
- Hypertrophie musculaire
- Récupération améliorée
- Activation des cellules satellites
- Demi-vie prolongée (LR3)
Side Effects
- Risque d'hypoglycémie
- Préoccupations concernant la croissance des organes à doses élevées
- Douleur au site d'injection
Contraindications
- Active cancer
- Diabetes (hypoglycemia risk)
Evidence Summary
Les études montrent une hypertrophie musculaire significative et une récupération améliorée par rapport à la GH.
Research
Les études montrent une hypertrophie musculaire significative et une récupération améliorée. Souvent comparé aux effets de l'hormone de croissance.
View ResearchSafety
Risque d'hypoglycémie. Préoccupations concernant la croissance des organes à doses élevées.
Frequently Asked Questions About IGF-LR3
What is IGF-LR3?
IGF-LR3 is a research peptide also known as Long R3 IGF-1; IGF-1 LR3. Facteur de croissance analogue à l'insuline à action prolongée — croissance musculaire et récupération It is studied for its potential therapeutic applications and is available from various research chemical vendors.
How does IGF-LR3 work?
Se lie aux récepteurs de l'IGF-1 pour favoriser la synthèse des protéines musculaires, l'activation des cellules satellites et l'hypertrophie musculaire. La modification LR3 prolonge la demi-vie à ~20 heures.
What is the recommended dosage for IGF-LR3?
The commonly studied dosage range for IGF-LR3 is 20-50 mcg daily. Dosage protocols vary based on research objectives. Always consult published studies and start with conservative amounts. IGF-LR3 should only be used in controlled research settings.
Where can I buy IGF-LR3?
PepsReview indexes IGF-LR3 pricing from multiple vendors. Check the Vendors tab above for a price comparison table showing cost per milligram, purity, COA status, and stock availability. Vendor reviews from real users are available on each vendor's profile page.
Is IGF-LR3 legal?
US regulatory status: Research only. The legal status of IGF-LR3 varies by jurisdiction. In most countries, it is sold as a research chemical, not for human consumption. Always verify the legal status in your country before purchasing.
What are the side effects of IGF-LR3?
Reported side effects include: Risque d'hypoglycémie, Préoccupations concernant la croissance des organes à doses élevées, Douleur au site d'injection. Always review safety data and published studies before use.
Key Research Papers on IGF-LR3
The following peer-reviewed studies and clinical trials are indexed in our research library for IGF-LR3. Each paper links to a detailed summary with key findings, study design, and publication metadata.
- Attenuated glucose-stimulated insulin secretion during an acute IGF-1 LR3 infusion into fetal sheep does not persist in isolated islets — J Dev Orig Health Dis, 2023 (60 citations)
- Recombinant expression of IGF-1 and LR3 IGF-1 fused with xylanase in Pichia pastoris — Appl Microbiol Biotechnol, 2023 (60 citations)
- Effect of insulin-like growth factor system on luteinising angiogenesis — Reprod Fertil, 2023 (60 citations)
- IGF-1 LR3 does not promote growth in late-gestation growth-restricted fetal sheep — Am J Physiol Endocrinol Metab, 2025 (20 citations)
- Intranasal long R3 insulin-like growth factor-1 treatment promotes amyloid plaque remodeling in cerebral cortex but fails to preserve cognitive function in male 5XFAD mice — J Alzheimers Dis, 2025 (20 citations)
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Rating Breakdown
Based on 2 avis.
Avis
IGF-LR3 is the most potent muscle-building peptide I've used. Hypertrophy is noticeable within 2 weeks. Recovery between workouts is dramatically faster. The extended half-life of LR3 makes it superior to regular IGF-1. Handle with respect - this is powerful.
IGF-LR3 delivers on muscle growth. Pump is incredible, recovery is fast. The LR3 variant lasts 20-30 hours which is much better than DES. Need to be careful with blood sugar - can cause hypoglycemia. Not for beginners.