IGF-1 LR3 is a modified form of Insulin-like Growth Factor-1 with an extended half-life. It is widely studied for cell proliferation, muscle hypertrophy, and growth factor signaling.
FOR RESEARCH USE ONLY. Not for human consumption.

Third-Party Tested by Janoshik Labs • HPLC & MS
Long-acting IGF-1 analog for cell proliferation and growth factor research.
IGF-1 LR3 is a modified form of Insulin-like Growth Factor-1 with an extended half-life. It is widely studied for cell proliferation, muscle hypertrophy, and growth factor signaling.
FOR RESEARCH USE ONLY. Not for human consumption.
Verified research purchases
IGF-1 LR3 arrived quickly and the COA documentation was included. Purity matched the listed specs. Very satisfied with this purchase.
Same-day shipping as promised. Product was well-packaged and documentation was thorough. Will order again.
Third-party testing results are verifiable which gives me confidence. This is what a professional supplier should look like.
Commonly studied alongside in laboratory settings


