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This product is for laboratory research only
Of course, vitamin injections are meant to supplement your healthy diet and exercise routine not replace them
Shaking the vial instead of gentle swirling damages peptide structure
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How GHK-Cu Compares to Retinoids, Vitamin C, and Other Anti-Aging Ingredients The 1998 head-to-head trial by Abdulghani measured procollagen synthesis side by side, and the copper-binding peptide outperformed both vitamin C and tretinoin
However, side effects can occur
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