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The copper in GHK-Cu is chelated (bound to the peptide), which further limits its bioavailability for systemic absorption
Damaged proteins are eliminated by enzymes known as metalloproteinases
Injections can bypass the digestive system and directly supply the body with adequate vitamin B12, ensuring that those affected can maintain healthy nerve and red blood cells
Luckily, there are multiple types of B12 supplements available, each with its unique benefits and best applications
Human relevance would require sufficient published, peer-reviewed controlled human studies, appropriate regulatory review, pharmacokinetic characterization, toxicology data, and long-term safety evaluation
