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The IGF-I generation test revisited: a marker of GH sensitivity

Martinez-Turrillas, R

Each order includes a batch-specific COA with retention time data, purity percentage, and mass spectrometry confirmation

The foundational characterization appeared in European Journal of Endocrinology in 1998, reporting selective agonism of the growth hormone secretagogue receptor type 1a (GHS-R1a) without significant elevation of ACTH, cortisol, prolactin, FSH, LH, or TSH, even at doses 200-fold above the GH-releasing ED50 in preclinical models

DSIP and Melatonin As discussed earlier, combining DSIP with low-dose melatonin (0.5 to 1 mg) targets both sleep timing and sleep quality