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"The effect of topical tripeptide-copper complex on healing of ischemic open wounds"
The reasons: Receptor sensitivity: While GHK-Cu doesn't appear to cause receptor downregulation the way some peptides do, cycling is a general precaution to maintain responsiveness and avoid adaptations that might blunt benefits
Vitamin B12 injections are an effective way to treat a deficiency
Individuals over 50 may require higher doses, ranging from 25 to 100 mcg, due to decreased absorption with age
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