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Rockville Centre, NY, 11570
United States


This website serves as the online dispensary of Board Certified Nutritionist, Dr. Joseph Debé. It is the culmination of thousands of hours of study and scrutiny of nutritional supplements over the past 25 years. I offer the best professional quality supplements.


PTERIDIN-4 ( Formerly BH4 Homeopathic)


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PTERIDIN-4 ( Formerly BH4 Homeopathic)


PTERIDIN-4 ( Formerly BH4 Homeopathic)


60 capsules

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This product ships by 2 day air onMonday-Wednesday (holidays excepted). It should be refrigerated upon receipt.

Tetrahydrobiopterin (BH4THB, trade name Kuvan) or sapropterin (INN) is a naturally occurring essential cofactor of the three aromatic amino acid hydroxylase enzymes, used in the degradation of amino acid phenylalanine and in the biosynthesis of the neurotransmitters serotonin (5-hydroxytryptamine, 5-HT), melatonindopaminenorepinephrine (noradrenaline),epinephrine (adrenaline), and is a cofactor for the production of nitric oxide (NO) by the nitric oxide synthases.