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Regulatory Status in 2026 Despite growing interest in the compound, GHK-Cu is not an FDA-approved therapy for any health issue

Triple independent lab testing with available documentation represents a level of transparency that may not be consistently found across all products in this category

FDA previously categorized more than a dozen peptides as category 2 substances and deemed them unsafe for bulk compounding in 2023

3 The UK National Institute for Health and Care Excellence (NICE) states that a cut-off of 200 ng/l identifies 97% of people with B12 deficiency, and a level below 100 ng/l is usually accompanied by metabolic or clinical evidence of B12 deficiency