For skin and hair goals, physician-prescribed compounded topical GHK-Cu from a licensed 503A compounding pharmacy is the best option, because it delivers therapeutic concentrations directly to the target tissue with physician oversight and pharmaceutical-grade quality assurance
This delicious veggie is packed with this important compound, which helps to protect your body from damage caused by free radicals and other harmful compounds
So you have your three major amino acids you have cysteine right here, which can come from an acetylcysteine and can get converted from cysteine assisting right there, you have glycine, right very high and collagen and bone broth
That process can interfere with how melatonin is absorbed and used by your body
There's even a 6-year human study from Russia where elderly subjects on epithalamin had lower cardiovascular mortality and better immune function than controls
While some products may advertise hair growth, they are unlikely to be backed by as much scientific research as the above two treatments, but it's all down to personal preference