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Experiments were repeated at least three times and error bars represent s.e.m
Research on IGF-1 receptor dynamics shows that receptor density decreases by approximately 40-60% after 6 weeks of continuous supraphysiological IGF-1 exposure (Yakar et al., 2002)
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Answer: Growth hormone and IGF-1 output decline with age, deep-sleep windows that trigger natural growth hormone pulses shorten, and these shifts make fat harder to lose and muscle harder to keep, which is the gap this stack is designed to address
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