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IGF-1 Anabolic Spike

Meaning

The IGF-1 Anabolic Spike refers to a transient, pharmacologically or physiologically induced elevation in the circulating or local tissue concentration of Insulin-like Growth Factor-1 (IGF-1), specifically designed to maximize post-stimulus tissue repair and protein synthesis. This deliberate surge in the potent anabolic peptide hormone is leveraged to amplify the adaptive response following intense mechanical or metabolic input. The magnitude and timing of this spike are critical metrics for optimizing the anabolic window and driving muscle hypertrophy and regeneration.