Cyanocobalamin is a stable and inexpensive form of B12 made by bacteria and commonly used for food fortification and supplements
Water (Aqua), Cetyl Alcohol, Sodium Stearoyl Lactylate, Glyceryl Stearate, C12-15 Alkyl Benzoate, Cyclopentasiloxane, Octyldodecyl Neopentanoate, Peg-100 Stearate, Palmitic Acid, Dimethicone, Stearic Acid, Ethylhexyl Stearate, Propylene Glycol Isoceteth-3 Acetate, Bis (Tripeptide-1) Copper Acetate, Micrococcus Lysate, Sodium Carboxymethyl Beta-Glucan, Sodium Hyaluronate, Ceramide Eop, Hydroxyethylcellulose, Squalane, Tocopheryl Acetate, Ceramide Np, Ceramide Ap, Phytosphingosine, Camellia Sinensis (Green Tea) Leaf Extract, Vitis Vinifera Seed Extract, Lecithin Phenoxyethanol, Sodium Lauroyl Lactylate, Capryl Glycol, Ethylhexylglycerin, Hexylene Glycol, Prunus Amygdalus Dulcis (Sweet Almond) Oil, Glycerin, Cholesterol, Xanthan Gum, Carbomer
One potential disadvantage is that peptide therapy may not produce instant results
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Over time, that can shift how you feel day to day