IGF-1 vs IGF-1 LR3

Compare IGF-1 (evidence A) and IGF-1 LR3 (evidence D) on mechanism, clinical status, safety, and dosing.

Insulin-like Growth Factor 1 (IGF-1) is a 70-amino acid protein structurally similar to insulin. It is primarily produced by the liver in response to growth…

IGF-1 LR3 is a modified version of insulin-like growth factor 1 (IGF-1) with an extended N-terminal sequence (13 additional amino acids) and an…

Full profiles: IGF-1, IGF-1 LR3.