Versions of copper peptides have been used in skin-care products for decades, but the popularity of the GHK-Cu formula has soared over the last year
For example, Cardiovascular patients are likely to have been notified by their physicians that their blood levels of Hcy are increased and that they must take folic acid and vitamin B12 to reduce them (Jakubowski 2019)
Vitamin C: Safe for daily use, typically in the morning
Because hypoglycemic events may be difficult to recognize in some elderly patients, antidiabetic agent regimens should be carefully managed to obviate an increased risk of severe hypoglycemia
For people specifically targeting loose skin from weight loss, I lean toward the 2 mg daily end of the dosage range rather than 1 mg
Safety: While generally considered safe, the IV form should be administered by a qualified professional