The published research on GHK-Cu spans multiple areas
EPA: 600 mg
Because methylcobalamin is classed as a nutritional supplement and is not a licensed prescription only medicine in the UK, it is not available via the NHS and is being offered more and more by non-healthcare and non-prescribing practitioners as a treatment for wellness, fatigue, and to boost energy, without making any medical claims around deficiency, and is rarely combined with a supplement of adenosylcobalamin
Glutathione is widely found in animals and plants, and the contents of the bread yeast, wheat germ and animal liver are very high,100~100 mg/1000 g;Content is also rich in human and animal blood, such as human blood contains 26~34 mg/100 g, chicken blood contains 58-73 mg/73 g, pig blood contains 10~15 mg/100 g, the dog blood contains 14~22 mg/100 g.Many vegetables, potato and corn also contains GSH (see table 1)
Your doctor or skincare expert may adjust the frequency based on your desire and health condition