Is Mecasermin legal in the US?
Yes, FDA approved for slow growth in children who lack IGF-1.
BSome human evidenceFDA approvedas of 2026-10-26
Approved. Mecasermin (Increlex) was approved in 2005 for growth failure in children with severe primary IGF-1 deficiency, or with growth hormone gene deletion who have developed neutralizing antibodies to growth hormone. It is not approved for any adult use or for muscle building. 2
More on Mecasermin
Citations
- Chernausek 2007, J Clin Endocrinol Metab: Long-term treatment with recombinant IGF-1 in children with severe IGF-1 deficiency doi.org
- FDA 2025: Increlex (mecasermin) prescribing information accessdata.fda.gov
Reference information only, not medical advice. Drawn from the Mecasermin article, fact-checked against the cited sources. No dosing anywhere on this site.