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Hexarelin is a synthetic growth-hormone-releasing peptide.

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Human experiments ask how hormone levels respond, which is a different question from whether a person

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becomes healthier or stronger.

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A double-blind, placebo-controlled study found that Hexarelin stimulated growth-hormone release in

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healthy volunteers. The researchers measured an endocrine response, not lasting muscle gains.

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Other human research also examined effects on prolactin, ACTH and cortisol.

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This reminds us that hormonal interventions can involve more than one signalling system.

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Short-term hormone measurements do not settle long-term benefit or safety.

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Claims about recovery, body composition or anti-aging need trials designed to measure those outcomes

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directly.