can vitamin b12 injections cause acne Before&After] My experience with B12-induced acne. Story in comments. : r/SkincareAddiction Can vitamin B12 cause acne?

However, as reassuring as all of this is, there are a couple of things to remain mindful of: Copper toxicity Because GHK-Cu contains copper, it does pose a potential risk of copper toxicity,12 the symptoms of which include abdominal pain, vomiting, chest pain, chills, cough, fever, general weakness, anemia, burning sensations, tremors, and a metallic taste in the mouth.13 The risk is small, as the concentrations of copper in the peptide are typically well within safe parameters, but its good to be aware of it

It also supports normal energy metabolism

Even so, it comes with notable side effects when you consider the injectable form

Its very easy to do and I am starting to feel energetic, which was my main reason for using it