Purified Water, Propanediol, Butyloctyl Salicylate, Dibutyl Adipate, Ethylhexyltriazone, Terephthalylidene Dicamphorsulfonic Acid, Niacinamide, Tromethamine, Polyglyceryl-3 Distearate, Octyldodecanol, Cetearyl Alcohol, 1,2-hexanediol, Pentylene Glycol, Diethylaminohydroxybenzoylhexyl Benzoate, Caprylyl Methicone, Polysilicon-15, Chickweed Extract, Sunflower Flower Extract, Lingonberry Extract, Tara Fruit Extract, Cotoni Extract, Racemosa Horse Root Extract, Bogeum Cactus Fruit Extract, White Thistle Extract, Evening Primrose Oil, Sodium Hyaluronate (1.6 Ppb), Hydrogenated Lecithin, Polymethyl Silsesquioxane, Butylene Glycol Lycol, Glyceryl Stearate, Bis-ethylhexyloxyphenol Methoxyphenyltriazine, Potassium Cetyl Phosphate, Methyl Propanediol, Polyc10-30 Alkyl Acrylate, Carbomer, Glyceryl Stearate Citrate, Acrylate/ C10-30 Alkyl Acrylate Crosspolymer, Ethylhexylglycerin, Ammonium Acryloyldimethyltaurate/v Picopolymer, Adenosine, Polyether-1, Biosaccharide Gum-1, Panthenol, Tocopherol, Glycerin, Glutathione (100 Ppb), Ectoin, Glyceryl Polymethacrylate, Glyceryl Glucoside, Maltodextrin, Hydrolyzed Vegetable Protein, Propylene Glycol, Sodium Hyaluronate Crosspolymer (5.08 Ppb), Dimethylsilanol Hyaluronic Acid

Can age or health problems slow down how fast B12 works
They mimic a natural gut hormone that decreases appetite by slowing gastric emptying and increasing satiety, and by increasing endogenous insulin production and decreasing glucagon levels
If the new drug is quickly metabolised in the body, some non-reactive groups are added which resist the drug metabolism
They work through completely different pathways