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SKU 3000 Category

Pteridin (BH-4) - 60 Caps - Ecological Formulas


This product is stored refrigerated and shipped on ice – expedited delivery methods are recommended, especially during the summer months, but are not essential due to the manufacturing process employed by the manufacturer. Studies have proven no loss to potency after 2 weeks in transit before potency begins to degrade. Further information available on request.

Pteridin-4 formerly called BH-4 contains important enzyme co-factors that are naturally present in a number of foods.



Vitamin C (as ascorbic acid), Tetrahydrobiopterin 2.5 mg, Sucrose, Gelatin, L-Leucine.


This supplement can be taken with or without food, morning or evening. Take one or two capsules daily, or as directed by a healthcare practitioner.

Storage Instructions

Stored refrigerated.


Food supplements should not be used as a substitute for a varied diet. If you are taking prescribed medication, have any medical condition or are pregnant or breast-feeding please consult your healthcare practitioner before taking food supplements.

BH4 – 60 Capsules
Supplement Facts
Serving Size: 2 capsules
Servings Per Container: 30
NutrientAmount Per Serving% EC NRV
Vitamin C (as ascorbic acid)10mg6%
Tetrahydrobiopterin (a stable form of the physiologic agent, biopterin)2.5mg*
%EC NRV = EC Nutrient Reference Values
* = %EC NRV not established