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In a landmark human trial comparing topical GHK-Cu to vitamin C and retinoic acid (tretinoin), GHK-Cu produced measurable collagen increases in 70% of study volunteers outperforming both comparator treatments (Abdulghani et al., 1998)
At least they are provided with reference ranges
But the implications matter enormously
Vitamin B12 + MIC injections can have a number of positive impacts on energy levels and metabolic performance
Why does concentration matter more than vial size alone
Angle the needle so it points toward the inner wall of the vial, not straight down at the powder
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