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Dosing Protocols and Cycling Strategies GHK-Cu research protocols vary based on goals, with different dosing strategies for skin rejuvenation, wound healing, and hair growth applications
These precursors can also be referred to as growth factors
H.RouxY.FoyerC
For current pricing on compounded retatrutide, see our [cost guide](/guides/retatrutide-cost-price-guide-2026)
For IGF-1 LR3, that means there is no validated 'normal-adult' indication at all
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