what about ghk cu GHK-Cu for Anti-Aging: Does This Copper Peptide Really Work? GHK-Cu Peptide Therapy Scottsdale &
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You have to hold longer than 30 seconds

Stacking GHK-Cu: Synergies with Other Peptides and Treatments GHK-Cus efficacy can be amplified when used in combination with other regenerative therapies

But until then, the evidence ceiling is 12 weeks in humans and 90 days in rodents

Foods rich in vitamin B12 include mushrooms, nutritional yeast and animal products such as meat, dairy, butter and eggs