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ghk-cu copper toxicity risk dosage Ways2Well GHK-Cu Side Effects: What Does
Description
Blocks the NNMT enzyme that converts nicotinamide to N-methylnicotinamide, preserving nicotinamide for NAD+ synthesis and cellular energy pathways

Many people use it proactively to support their overall wellness

doi: 10.1073/pnas.83.11.4040

Am J Clin Nutr 68(2):447S-463S

Soto-Gamez, A