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IGF-1 LR3
Also known as: Long R3 IGF-1
A modified, long-half-life IGF-1 analog that activates the IGF-1 receptor to drive anabolic signaling. This specific analog has almost no dedicated clinical literature — it's used mainly as a lab reagent, not a studied human therapeutic. (Native IGF-1 biology broadly is much better studied, but that reflects the natural hormone, not this analog.)
Research use only. Nothing here is medical advice; this compound is not approved for human consumption outside prescription use.
IGF-1 LR3 at a glance
MechanismLong-acting IGF-1 analog
Evidence tierLab & animal models
Regulatory statusLab reagent (no clinical use)
Indexed studies3
Approx. half-lifeLonger than native IGF-1 (not well characterised)
Studied routeCell culture (lab use)
Vial sizes on file1 mg
Tracked vendors1 (1 verified)
Where to buy IGF-1 LR3
Verified vendors first, then lowest price
Research areas
IGF-1 receptor signallingCell-culture supplement
Commonly researched alongside
VialCheck record
We track 1 vendor listing IGF-1 LR3. 1 of them (100%) have verified batches on file with VialCheck. Lowest price is not the same as lowest risk — check the batch COA before you order.