Our own body can synthesize small amounts, provided that the precursors (two essential amino acids, lysine and methionine) and the required cofactors (vitamins C, B3, B6 and iron) are available
Intravenous Glutathione injections are said to provide better levels in the blood and skin than oral capsules
Ingredients: Water, Glycerin, Dicaprylyl Ether, Hydrogenated Polydecene, Stearyl Alcohol, Butyrospermum Parkii (Shea) Butter, Niacinamide, Tranexamic Acid (2.5%), Octyldodecanol, Pentaerythrityl Tetraethylhexanoate, Behenyl Alcohol, Panthenol, 1,2-Hexanediol, Arachidyl Alcohol, Dipentaerythrityl Hexahydroxystearate/Hexastearate/Hexarosinate, Cetearyl Olivate, Sorbitan Olivate, Citric Acid, Arachidyl Glucoside, Garcinia Cambogia Fruit Extract, Hydroxyacetophenone, Palmitic Acid, Stearic Acid, Ammonium Acryloyldimethyltaurate/VP Copolymer, Ceramide NP, Carbomer, Ethylhexylglycerin, Disodium EDTA, Glutathione, Butylene Glycol, Tocopherol, Centella Asiatica Extract, Houttuynia Cordata Extract, Sodium Hyaluronate, Hydrolyzed Hyaluronic Acid, Sodium Acetylated Hyaluronate
For definitive answers, the head-to-head trial (see below) will be essential