Effectiveness of enamel matrix derivative in conjunction with particulate autologous bone in the treatment of noncontained intrabony defects: A 2-year prospective case series
Injectable GHK-Cu is classified by the FDA as a Category 2 substance, which restricts its compounding at 503A pharmacies, and it is not FDA-approved for any indication
Both products ship domestically within the United States
Reduced energy levels
However, even if you eat enough to get the recommended dose (2.4 micrograms in people 14 and older), older adults and people with gastrointestinal issues may have problems absorbing it properly
Why people use it: Proponents claim it may speed up postworkout recovery, reduce acute inflammation, improve athletic performance, help you heal faster from an injury or surgery, treat inflammatory bowel issues or other gastrointestinal (GI) symptoms, or even cure a hangover