J Clin Endocrinol Metab, 83(9):3094-3101

Full list of ingredients: Hippophae Rhamnoides Water (Sea Buckthorn), Glycerin, Dipropylene Glycol, Propanediol, Niacinamide, 1,2-Hexanediol, Caprylic/Capric Triglyceride, Water, PPG-13-Decyltetradeceth-24, Hydroxyacetophenone, Caprylyl Glycol, Hydrogenated Lecithin, Carbomer, Glutathione, Tromethamine, Cetearyl Alcohol, Disodium EDTA, Stearic Acid, Dipotassium Glycyrrhizate, Terminalia Ferdinandiana Fruit Extract, Butylene Glycol, Lecithin, Pentylene Glycol, Acetyl Glutamine, Sodium Hyaluronate, Folic Acid, Bacillus/Soybean Ferment Extract, Oligopeptide-1, Hexapeptide-11, Oligopeptide-2, Oligopeptide-3, Hydrolyzed Pea Protein, Madecassoside, Phytosterols, Squalane, Olea Europaea (Olive) Fruit Oil, Tocopherol, Polyglyceryl-10 Stearate, Panthenol, Hyaluronic Acid, Hydrolyzed Hyaluronic Acid, Hydroxypropyltrimonium Hyaluronate, Hydrolyzed Sodium Hyaluronate, Potassium Hyaluronate, Ceramide NP, Sodium Ascorbyl Phosphate, Butyrospermum Parkii (Shea) Butter, Ethylhexylglycerin, Sodium Hyaluronate Crosspolymer, Biotin, Pyridoxine, Cyanocobalamin, Riboflavin, Thiamine HCl, Retinol, Bioflavonoids, Sodium Acetylated Hyaluronate, Menadione, Acetyl Hexapeptide-8, Copper Tripeptide-1, Palmitoyl Pentapeptide-4, Linoleic Acid, Beta-Carotene, Fragrance

Direct glutathione and precursor products should not be compared milligram for milligram as if they were interchangeable
The drug is typically obtained via specialty mail-order pharmacies
Store in a cool, dry place and away from direct sunlight