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References Yudkoff M
The Bottom Line GHK-Cu is a naturally occurring copper tripeptide that stimulates collagen synthesis at picomolar concentrations, modulates over 4,000 genes, and has shown measurable wrinkle reduction and collagen improvement in clinical studies
Diminished gastric function in individuals with atrophic gastritis can result in bacterial overgrowth in the small intestine and cause food-bound vitamin B 12 malabsorption
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