Tetrahydrobiopterin 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), melatonin, dopamine, norepinephrine (noradrenaline),epinephrine (adrenaline), and is a cofactor for the production of nitric oxide (NO) by the nitric oxide synthases.
Pack size: 60 capsules
(other) sucrose, gelatin, L-leucine.
| Supplement Facts | ||
| Serving size | 1 capsule | % DV |
| Servings per container | 60 | |
| Vitamin C (in the form of ascorbic acid) | 10 mg | 17% |
| Tetrahydrobiopterin (stable form of physiological agent, biopterin) | 2.5 mg | ** |
| * Percent Daily Value (DV) is based on a 2,000 calorie diet. **Daily value (DV) has not been established | ||
| Other ingredients: sucrose, gelatin, L-leucine. | ||
Store in a cool, dark place out of reach of children
DisclaimerFood 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.
Free UK Standard delivery on orders £45+
Standard delivery is £4.40 for orders under £45
Express delivery is £5.49 for orders under £45
Read More
Standard (by DPD, pre-cleared, no additional charges) prices start from £6.
Express (by DPD, pre-cleared, no additional charges) prices start from £17.49.
Standard (by regular post, estimated 4 – 21 working days) prices start from £8
Courier (by road, estimated 3 – 7 working days) prices start from £15
Express (by air, estimated 1 – 5 working days) prices start from £20.49
Nature's Fix operate a no quibble 14 day return policy*
Additionally, the CCR give you the right to change your mind and cancel an order within 14 calendar days for any reason.
*Nature’s Fix accepts returns of products returned in perfect re-saleable condition i.e. in original, undamaged packaging, not used, with protective seal in place.
If you do decide to cancel your order or you wish to return an item, then you must put this in writing. The most efficient method would be to email help@naturesfix.co.uk with your order number and “return request” in the subject of the email. You should then await authorisation and further instructions.
Read MorePteridin (BH4) – 60 Capsules – Ecological Formulas
£141.99
SKU: 3000
Tetrahydrobiopterin 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), melatonin, dopamine, norepinephrine (noradrenaline),epinephrine (adrenaline), and is a cofactor for the production of nitric oxide (NO) by the nitric oxide synthases.
Pack size: 60 capsules
(other) sucrose, gelatin, L-leucine.
| Supplement Facts | ||
| Serving size | 1 capsule | % DV |
| Servings per container | 60 | |
| Vitamin C (in the form of ascorbic acid) | 10 mg | 17% |
| Tetrahydrobiopterin (stable form of physiological agent, biopterin) | 2.5 mg | ** |
| * Percent Daily Value (DV) is based on a 2,000 calorie diet. **Daily value (DV) has not been established | ||
| Other ingredients: sucrose, gelatin, L-leucine. | ||
Store in a cool, dark place out of reach of children
DisclaimerFood 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.
Free UK Standard delivery on orders £45+
Standard delivery is £4.40 for orders under £45
Express delivery is £5.49 for orders under £45
Read More
Standard (by DPD, pre-cleared, no additional charges) prices start from £6.
Express (by DPD, pre-cleared, no additional charges) prices start from £17.49.
Standard (by regular post, estimated 4 – 21 working days) prices start from £8
Courier (by road, estimated 3 – 7 working days) prices start from £15
Express (by air, estimated 1 – 5 working days) prices start from £20.49
Nature's Fix operate a no quibble 14 day return policy*
Additionally, the CCR give you the right to change your mind and cancel an order within 14 calendar days for any reason.
*Nature’s Fix accepts returns of products returned in perfect re-saleable condition i.e. in original, undamaged packaging, not used, with protective seal in place.
If you do decide to cancel your order or you wish to return an item, then you must put this in writing. The most efficient method would be to email help@naturesfix.co.uk with your order number and “return request” in the subject of the email. You should then await authorisation and further instructions.
Read More
