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In one study, participants using a GHK-Cu copper peptide formula experienced visible skin appearance improvements over the course of a month compared to other formulations evaluated in the same trial
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Understanding their individual contributions is critical to hypothesizing their combined effects in research models
Tests include organoleptic evaluation (human senses such as sight, taste, smell), physical testing of tablets and capsules, chemical identity of ingredients, potency and contamination testing by the company's in-house state-of-the-art analytical testing lab, as well as microbiological testing by NOW Foods' in-house rapid analysis microbiological lab
Archived from the original on August 14, 2012
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