PMID 16165177
Daarna kom je na drie maanden terug voor een onderhoudsbehandeling
Vegetarians and vegans often face challenges in obtaining sufficient B12 from their diet, so supplementation becomes necessary
The USP monograph itself says to use bacteriostatic water with due regard for the compatibility of the antimicrobial agent with whatever is being dissolved

Water(Aqua), Glycerin, Acrylates Copolymer, **Niacinamide, Carrageenan, Butylene Glycol, 1,2-Hexanediol, Glucomannan, Hydroxyacetophenone, Cellulose Gum, Calcium Chloride, Ceratonia Siliqua (Carob) Gum, Allantoin, Gardenia Florida Fruit Extract, Polyglyceryl-10 Laurate, Potassium Chloride, Propanediol, Cyamopsis Tetragonoloba (Guar) Gum, Sucrose, Dipotassium Glycyrrhizate, Dextrin, Adenosine, Caprylyl Glycol, Arginine, Ethylhexylglycerin, Panthenol, Sodium Phytate, Sphingomonas Ferment Extract, **Glutathione, Phosphatidylcholine, Squalane, Acetyl Glucosamine, **Arbutin, **Alpha-Arbutin, **Ascorbic Acid, **Kojic Acid, Centella Asiatica Extract, Citrus Limon (Lemon) Fruit Extract, Sodium Hyaluronate, Hydroxypropyltrimonium Hyaluronate, Tocopheryl Acetate, Sodium Acetylated Hyaluronate, Hydrolyzed Hyaluronic Acid, Hyaluronic Acid, Sodium Hyaluronate Crosspolymer, Hydrolyzed Sodium Hyaluronate, Potassium Hyaluronate