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FDA materials identify compounded injectable GHK-Cu as a safety concern because of potential immunogenicity, aggregation, peptide-related impurities, and limited human safety data 8
Adenosylcobalamin: Another naturally occurring coenzyme form of B12, crucial for protecting the mitochondria and supporting muscle recovery
Months 3-6: Maximum benefits develop with continued consistent use
Additional NAD+ dosing available for biohackers, athletes, and those optimizing recovery or reversing burnout
My ponytail felt heavier
Most of the studies occurred over 12 to 24 weeks, though, so this may not apply to long-term use
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