People with active cancer should consult their healthcare provider before using GHK-Cu because the peptide promotes angiogenesis, which could theoretically supply blood to tumors
Before the meeting, FDA scientists released briefing documents that strongly advised against making these peptides available due to lack of evidence and safety concerns, meaning the advisory committee went against its own experts
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In the AHK-Cu vs GHK-Cu debate, GHK-Cu has the larger body of research behind its potential benefits, while AHK-Cu's research is more specifically focused on hair applications
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However, a deficiency might indicate more serious health issues and is usually accompanied by mild side effects such as diarrhea and headaches