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but declining GHK production means less signal and less repair with each passing decade
Consider NAD+ injections or IV hydration therapy
however, alternative methods such as copper ion carriers may also be used but are constrained by technical limitations that necessitate further research and improvement (17)
80 Animal and human studies have also shown that gut microbiota can be involved in the regulation of chemical signals involved in stress and anxiety (eg, serotonin and cortisol), which implicate a role for probiotics in managing these conditions
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