Direct comparison
IGF-1 vs IGF-1 LR3
How IGF-1 and IGF-1 LR3 compare on mechanism, evidence and legal status — factual, no recommendations.
| IGF-1 | IGF-1 LR3 | |
|---|---|---|
| Class | IGF / insulin analog | IGF / insulin analog |
| Evidence level | early clinical studies | preclinical |
| Legal status (DE) | prescription-only | not approved |
| WADA-listed | Yes | Yes |
| Molar mass | 7648.6 Da | 9117.5 Da |
| Studies cited | 3 | 2 |
| Research areas | Muscle growth, Recovery | Muscle growth |
IGF-1
IGF-1 is a 70-amino-acid polypeptide with structural homology to insulin.
Full IGF-1 profileIGF-1 LR3
IGF-1 LR3 is a synthetically modified variant of human IGF-1.
Full IGF-1 LR3 profileImportant notice
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