A 2016 comparative study published in Nature Scientific Reports demonstrated that GHK-Cu produced no cytotoxicity to human keratinocytes at concentrations up to 5,800 micromolar over 72 hours and did not induce inflammatory biomarkers, unlike other copper compounds tested alongside it
Starting Concentration and Gradual Introduction Many dermatologists recommend starting with lower concentrations, under 0.5%, and gradually increasing to higher strengths as your skin acclimates
If you are taking B12 supplements and suspect they may be contributing to anxiety, do not abruptly discontinue without medical advice, particularly if you have been diagnosed with deficiency
Its important to note that while glutathione supplementation is available, its oral absorption is limited versus prescription injectable versions and the effectiveness of such supplements is still a subject of debate
This helps achieve health and wellness goals