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The 28-day window reflects peptide stability, not water sterility
This is a fundamentally different approach than PDE5 inhibitors (Viagra, Cialis), which only increase blood flow without affecting desire
However, it's always advisable to read and consult with your doctor
Any temperature excursion above 10C for more than 2 hours compromises peptide stability
Interaction with fasting and ketosis Both fasting and ketogenic diets increase NAD+ levels through various mechanisms
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![ghk-cu peptide side effects safety PSA] Finally, a Dr. explains the mechanism behind the](https://i.redd.it/dbkzxjabsr3d1.jpeg)
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