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Thats because NAD coenzymes impact pathways in the body that modify aging, according to a 2021 UK study that included human and animal data
The practical answer is simple: if you want the cleanest research comparison, GHK-Cu is easier to evaluate
At 2mg five times weekly, 100mg lasts about 10 weeks, covering most protocols
Initial improvements may be observed within 24 weeks, while noticeable or sustained recovery often requires 36 months under medical supervision
Gradually increase the frequency as your skin becomes accustomed to the product
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