Overview
Compounds in this area appear in the tissue-repair and recovery literature, often studied for angiogenesis, cytoprotection, and cell-migration signaling. The evidence base is predominantly preclinical, so this guide labels the study type for every cited claim and never reads animal or in-vitro data as human efficacy.
A modified insulin-like growth factor 1 analog with an extended half-life, studied for anabolic and growth signaling.
Evidence at a glance: Preclinical (animal) evidence
The cited evidence here is preclinical animal-model work, with limited or no human-trial data. Read the research profile accordingly.
Molecular identity
- Molecular formula
- C400H625N111O115S9
- Molecular weight
- 9111.5 g/mol
- CAS number
- 946870-92-4
- Amino acids
- 83
- Appearance
- White lyophilized powder
- Purity (HPLC)
- 98.6%
Researched mechanism
IGF-1 receptor agonism with reduced binding-protein affinity, extending activity in research models.
Described as a mechanism characterized in the literature, not an effect you should expect from use.
What the published research shows
Growth and anabolic signaling characterized in cell and animal models.
Honest note on evidence: Evidence is preclinical; handle as a potent growth factor per research protocol.
Every citation states its study type and population, so preclinical data is never presented as human-efficacy evidence.
How it compares
| Versus | Attribute | Note |
|---|---|---|
| PEG-MGF | Pathway | Both touch IGF/MGF biology from different angles. |
Reconstitution
Concentration math only: adding bacteriostatic water to the vial gives the resulting mg/mL shown below. This is not usage guidance.
| Vial | Bacteriostatic water | Concentration |
|---|---|---|
| 1 mg | 1 mL | 1 mg/mL |
Storage & stability
| State | Temperature | Duration |
|---|---|---|
| Lyophilized (unopened) | -20°C | 24 months |
| Reconstituted | 2–8°C | up to 2 weeks |
Common questions
Why is the vial size 1 mg?+
IGF-1 LR3 is potent and typically supplied at smaller masses; the price ladder reflects that.



