$100.00
⚠️ Important Notice:
This product is sold strictly for laboratory research purposes only. It is not for human or animal use, and not for therapeutic or diagnostic applications.
By purchasing, you confirm that you are a qualified individual using this product in accordance with all applicable laws and research regulations.
Sold in a single 3 mL vial filled crystalized powder and will need to be reconstituted with Bacteriostatic water for use.
17 in stock (can be backordered)
IGF‑1 LR3 (Long R3 Insulin‑Like Growth Factor‑1) is a synthetic analog of human IGF‑1. Two key changes—an arginine substitution at position 3 (R3) and a 13‑amino‑acid N‑terminal extension—lower its binding to IGF‑binding proteins (IGFBPs) and prolong its half‑life compared with native IGF‑1. IGF‑1 LR3 is not FDA‑approved. By contrast, mecasermin is the FDA‑approved form of recombinant IGF‑1 for severe primary IGF‑1 deficiency (not the LR3 analog).
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