PubMed Central , Scientific Reports , vol
Vitamin B12 is naturally found in animal products like meat (especially liver), fish (salmon, tuna), poultry, eggs, and dairy products (milk, cheese, yogurt)
These pages on tailored dosing for vitamin injections and vitamin injection interactions can help with that next step
One Reddit user who tried injecting GHK-Cu reported side effects like: Red and itchy skin on their hands and ankles Sore eyes Feeling foggy and tired Again, we dont recommend injecting copper peptides
These topical formulations have shown great potential to stimulate collagen production, improve elasticity, and support the skins natural repair processes