A few more data points are worth keeping in view because they round out the safety story
The trace mineral copper in GHK-Cu has been shown to have anti-inflammatory properties that help soothe skin, as well as wound healing benefits for damaged tissue
503A compounded peptides are produced by licensed pharmaceutical facilities to individual prescriptions, with purity testing, sterility protocols, and regulatory oversight
Good sources of vitamin B12 include: Meat (beef, lamb, and pork) Poultry (chicken and turkey) Fish (salmon, trout, and sardines) Dairy products (milk, cheese, and yogurt) Eggs Fortified cereals and plant-based milk alternatives For individuals who do not consume animal products, it is important to seek out fortified foods or consider taking a B12 supplement to prevent deficiencies that could affect hair health
SS-31 (elamipretine) is another compound studied for mitochondrial support