Zelvysia
Active Ingredient(s): Sapropterin DihydrochlorideFDA Approved: * April 29, 2025
Pharm Company: * SHANGHAI AUCYUN
Category: Enzymes
Tetrahydrobiopterin (BH4, THB), also known as sapropterin (INN),[2][3] is a cofactor of the three aromatic amino acid hydroxylase enzymes,[4] used in the degradation of amino acid phenylalanine and in the biosynthesis of the neurotransmitters serotonin (5-hydroxytryptamine, 5-HT), melatonin, dopamine, norepinephrine (noradrenaline), epinephrine (adrenaline), and is a cofactor for the production of nitric oxide (NO) by the nitric oxide syntheses.... [wikipedia]
* May have multiple approval dates, manufacturers, or labelers.