Within sensible limits, the basics help your body hold its levels: a diet that includes B12 sources if you are not vegan, limiting heavy alcohol use, and not smoking, since both affect how you absorb and store nutrients
Circulating levels decline with age, from roughly 200 ng/mL at age 20 to about 80 ng/mL by 60. Small split-face human dermatology studies, usually with fewer than 50 participants per arm, report changes in wrinkle depth and skin density
Additionally, GHK-Cu provides benefits minoxidil doesn't: stem cell activation, anti-inflammatory effects, antioxidant protection, and collagen stimulation
Do not exceed the prescribed dose or combine it with other Vitamin B supplements without advice
Instead, it should be a regional anesthetic and the block billed as part of the ASA code for the procedure (base + time units)