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Supports Brain & Nerve Health Essential for cognitive function and nervous system support

This helps adjust treatment for better results

[1] Because intrinsic-factor-dependent uptake in the distal ileum can be absent in conditions such as autoimmune gastritis, pancreatic insufficiency, or bariatric surgery, the intramuscular or subcutaneous route bypasses gastrointestinal barriers and reliably restores serum concentrations

If a GHK-Cu product costs more, the label should make the reason clear: format, concentration, supply length, testing, formula quality, or a more specialized use case

As a biologic drug, Nucalas price might seem high