Natural D-Hist
Natural health product licensed in Canada
- Other names
- HistSupport, Histplex
- Licence holder
- Ortho Molecular Products Inc.
- NPN or DIN-HM
- 80069494
- Status
- Active licence
- Licence date
- 17 May 2016
- Revision date
- 29 April 2025
- Form
- Capsule
- Route of administration
- Orale
- Application type
- Non traditionnelle
If this product were sold in France
- Dose déclarée au-delà d'une limite
Vitamine C: up to 900 mg a day according to the dosing instructions published by Health Canada (6 unités posologiques par jour au plus, pour les adultes), above the maximum dose of 180 mg set in France for a food supplement (2006 Order, not revised since November 2006).
arrêté du 9 mai 2006, annexe III. French orders of 9 May 2006 and 14 November 2006 as published in the Official Journal (maximum daily doses), retrieved 21 October 2026.
- Conditions légales
Urtica dioica L.: L'étiquetage des compléments alimentaires contenant les parties souterraines de cette plante doit comporter une mention recommandant de prendre conseil auprès d'un professionnel de santé ("Demander l'avis de votre médecin et /ou pharmacien").
arrêté du 24 juin 2014, annexe I. French orders of 9 May 2006 (nutrients), 24 June 2014 (plants) and 26 September 2016 (other substances), consolidated LEGI collection, retrieved 23 October 2026.
A daily quantity is calculated only for an explicit adult oral dosage, stated per day and in a solid unit matching the product form. Ambiguous units, liquids, powders and paediatric doses are not extrapolated. A quantity not calculated is not compared with dose limits. This analysis does not constitute authorisation for sale in France or an assessment of safety or efficacy.
Composition
| Medicinal ingredient and source | Per dosage unit, according to the source | Maximum per day, adult |
|---|---|---|
| N-Acétyl-L-cystéine Source : N-Acétyl-L-cystéine | 25 mg | Not calculated |
| Urtica dioica Source : Sommité | 200 mg | Not calculated |
| Bromélaïne de fruit Source : Ananas comosus var. comosus - fruit | 50 mg | Not calculated |
| Bromélaïne de fruit Source : Ananas comosus var. comosus - fruit | 1,800,000 FCC PU | Not calculated |
| Vitamine C Source : Acide ascorbique | 150 mg | 900,000 µg |
| 3,3',4',5,7-Pentahydroxyflavone Source : Quercétine dihydraté | 179 mg | Not calculated |
Non-medicinal ingredients
Acide stéarique, Stéarate de magnésium, Hypromellose, Dioxyde de silicium
Recommended doses in Canada
| Population | Age | Quantity per serving | Frequency |
|---|---|---|---|
| Adultes | Not specified | 2 Capsule | 3 Tous les jours |
Uses authorised in Canada
Used in Herbal Medicine to help relieve seasonal allergy symptoms. Used in Herbal Medicine as a nutritive tonic. Used in Herbal Medicine as supportive therapy to help relieve rheumatic complaints. Used in Herbal Medicine as a capillary/blood vessel protectant. Digestive Enzyme. Helps in wound healing. Helps in the development and maintenance of bones, cartilage, teeth and gums. Helps in connective tissue formation. Vitamin C is an antioxidant for the maintenance of good health. Provides antioxidants.
A use authorised in Canada is not an authorised health claim in the European Union. See the health claims register.
Warnings in Canada
- Effets indésirables connus
Hypersensitivity/allergy has been known to occur; in which case, discontinue use. Nausea, vomiting, and diarrhea have been known to occur, in which case discontinue use.
- Précautions et mises en garde
Consult a health care practitioner if symptoms persist or worsen. If you have kidney stones, consult a health care practitioner prior to use. If you have a gastrointestinal lesion/ ulcer, are taking an anticoagulant/ blood thinner, anti-inflammatory, or are having surgery, consult a health care practitioner prior to use.
- Contre-indications
Do not use if you are pregnant or breastfeeding. If you are taking antibiotics, do not use this product. If you are taking nitroglycerin, do not use this product.
Source
Official Health Canada record, licence 80069494
Licensed Natural Health Products Database (LNHPD), Health Canada: licensed products, ingredients, doses, uses and risks, retrieved 27 October 2026.
Contains information licensed under the Open Government Licence – Canada (Health Canada, LNHPD)
Licence du gouvernement ouvert – Canada 2.0 (OGL-Canada 2.0)
The formula sold in Europe under the same name may differ. This information does not replace advice from a doctor or pharmacist.
List in the official revision dated (register: Licensed Natural Health Products Database (LNHPD), Health Canada: licensed products, ingredients, doses, uses and risks).
Has the product changed? Photograph the packaging.