(Native, unmodified recombinant human IGF-1, sold as mecasermin/Increlex, is FDA-approved only for a narrow pediatric growth-failure indication and is chemically distinct from the LR3 analog.) In the US it is manufactured and sold almost exclusively as an unregulated "research chemical" labeled "not for human consumption," a labeling practice peptide vendors use to avoid marketing it as an unapproved drug
That said, a daily multivitamin (or the prenatal vitamin you took while you were pregnant) can act as an insurance policy to help fill in any nutritional gaps
Additional experimental models have investigated gastrointestinal fistula healing and tissue continuity restoration, again emphasizing the peptide's relevance to studies examining coordinated epithelial repair, vascular signaling, and inflammatory regulation within the digestive tract [1]
While its often found as part of a B-complex supplement (B vitamins), B12 stands out for its unique benefits
This can help your doctor pinpoint potential triggers