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$70 $95Price range: $70 through $95 Size 100mg GHK-Cu (Copper Peptide) is a naturally occurring tri-peptide complex composed of Glycyl-L-Histidyl-L-Lysine bound to copper

Supplied by BlueNexLabs , GHKCu is provided as a lyophilized peptide (50 mg) with COAverified purity, analytical consistency, and auditsafe ResearchUseOnly (RUO) labeling , supporting reproducible experimental workflows across Canadian research environments

Possible mild side effects (rare): Temporary nausea or digestive upset

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A close match (typically within 1 dalton for smaller peptides) confirms the compounds identity

For comparison, semaglutide tops out around 15% and tirzepatide around 21%