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~403 Da (copper complex) Form: Lyophilized powder Vial Size: 50mg in 3mL glass vial Purity: 99%+ verified by HPLC and mass spectrometry (See COAs) Research Background GHK-Cu has been investigated in research literature across several scientific contexts: Tissue biology research investigations into peptide-copper complex effects on cellular signaling pathways in tissue models Extracellular matrix research studies examining cellular responses involving collagen synthesis pathways and matrix protein regulation in cell culture systems Copper-binding peptide chemistry analytical chemistry research on GHKs selective copper binding properties and the cellular biology of copper homeostasis Cellular signaling pathway research investigations into GHK-Cus interactions with cellular receptor systems and downstream signaling cascades Gene expression research studies examining GHK-Cus effects on cellular gene expression patterns in research models Comparative peptide research analytical studies positioning GHK-Cu alongside other naturally occurring copper-binding peptides in cellular research contexts GHK-Cu is historically significant as one of the most extensively studied naturally occurring copper-binding peptides, originally identified by Pickart et al

What to look for on the label: Reduced L-Glutathione or L-Glutathione (Reduced) listed as the primary ingredient The specific amount per capsule/serving clearly stated in milligrams Avoid products that simply say glutathione without specifying the form HealthyHeys L-Glutathione 500mg uses 100% reduced L-glutathione in vegetarian capsules the form that matters for oral supplementation

Packaging: 60 capsules

Most of the glutathione in your body is produced internally by your liver using the amino acids from the protein you eat

Monthly B12 Injection Protocols Many patients get monthly B12 injections

Batch documentation is reviewed for identity, purity, and analytical verification before release