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Might help moisturize and protect the skin from free radicals, but mostly used in low concentrations to stabilize other ingredients
Long-Term Risks of Vitamin B12 Overdose Persistent skin issues Nervous system irritation Blood pressure changes Increased cardiovascular stress excessive supplementation without medical oversight
Sources (primary) FDA July 2324, 2026 PCAC meeting notice (accessed 2026-05-15) JD Supra FDA Signals Potentially Evolving Stance Toward (published 2026-05-12
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David Traster, DC, MS, DACNB Co-owner, The Neurologic Wellness Institute Boca Raton Chicago Waukesha Wood Dale www.neurologicwellnessinstitute.com GHK-Cu, short for glycyl-L-histidyl-L-lysine copper, is a naturally occurring copper-binding peptide found throughout the human body
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