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ghk-cu naturally occurring declines with age Frontiers The first order degradation profiles
Description
It has been shown to promote sleep in several species, including rabbits, rats, mice, and humans, with varying effects on REM sleep in cats 1
Leaving it at room temperature will cause it to degrade rapidly
This makes sense given their mechanism
174 One reason for inconsistent results may be the lack of a standardized protocol, including dose of pulses and duration of treatment
