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However, the largest Phase IIb trial involving 536 subjects failed to demonstrate statistically significant weight loss compared to placebo at the primary 12-week endpoint, leading Metabolic Pharmaceuticals to terminate development in 2007
GHK is a naturally occurring peptide found in human plasma and other body fluids
Higher transparency typically signals stronger quality control processes, including: Verified purity levels (often 99%+ via HPLC analysis) Clearly identified third-party laboratory testing Batch-level traceability and verification codes Consistent and accessible documentation While lower pricing may be attractive, limited transparency can make it difficult to independently confirm product consistency
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