Somatropin is recombinant human growth hormone itself — an FDA-approved drug with an enormous, decades-long body of clinical literature across growth-hormone-deficiency, pediatric growth, and adult indications. This is one of the most extensively studied compounds in this entire catalog, and deserves a properly scoped, dedicated citation pass rather than a summary folded into this batch — flagged as a priority follow-up given how much real, high-quality evidence exists to draw from.
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