Nicotinamide adenine dinucleotide (NAD+) is a vital coenzyme present in every living cell
When it comes to using GHK-Cu topically on the skin, the answer is a resounding yes
Water(Aqua), Butylene Glycol, Niacinamide, Glycerin, Tranexamic Acid, 1,2-Hexanediol, Betaine, Centella Asiatica Extract, Zea Mays (Corn) Starch, Xanthan Gum, Microcrystalline Cellulose, Mannitol, Panthenol, Pentylene Glycol, Ethylhexylglycerin, Hydroxyethylcellulose, Madecassoside, Acrylates/C10-30 Alkyl Acrylate Crosspolymer, Arginine, Hydrogenated Lecithin, Xylitylglucoside, Anhydroxylitol, Xylitol, Glucose, 3-O-Ethyl Ascorbic Acid, Lactobacillus Ferment
PloS One , 13 (6), e0198626
Symptoms of Vitamin B-12 Deficiency B-12 deficiencies can cause fatigue, weakness, numbness, and tingling in the hands and feet, but they may also make it difficult for people to walk and have memory problems