St. John's wort
Natural health product licensed in Canada
- Licence holder
- Canadian Protein
- NPN or DIN-HM
- 80070361
- Status
- Active licence
- Licence date
- 15 June 2016
- Revision date
- Not provided
- Form
- Capsule
- Route of administration
- Orale
- Application type
- Officinale
If this product were sold in France
No point flagged by the rules we apply.
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 |
|---|---|---|
| Hypericum perforatum Source : Hypericum perforatum - herb top Extract : Matériel brut sec Extraction ratio : 4:1 Dry plant equivalent : 1,200 milligramme Potency : 0.28 Pour cent Hypericin | 300 milligramme | Not calculated |
| Hypericum perforatum Source : Hypericum perforatum - herb top | Not specified | Not calculated |
Non-medicinal ingredients
Gélatine
Recommended doses in Canada
| Population | Age | Quantity per serving | Frequency |
|---|---|---|---|
| Adultes | Not specified | 1 Capsule | 3 Tous les jours |
Uses authorised in Canada
Helps support joint health.
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, such as an allergy, has been known to occur; in which case, discontinue use. Some people may experience mild gastrointestinal disturbances, nausea, restlessness and/or headaches.
- Précautions et mises en garde
Avoid prolonged exposure to sunlight, ultraviolet light (UV) or UV therapy. Consult a health care practitioner if symptoms persist or worsen. Consult a health care practitioner prior to use if you are pregnant or breastfeeding. Consult a health care practitioner prior to use if you are taking anti-anxiety medications, seizure medications, antihistamines, bronchodilators, muscle relaxants and/or opiates.
- Contre-indications
Do not use if you are taking anti-cancer medications, blood thinners, antidepressant medications (e.g. selective serotonin reuptake inhibitors (SSRI)), anti-HIV agents, cardiovascular medications, immunosuppressants, and/or contraceptive medications.
Source
Official Health Canada record, licence 80070361
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.
The evidence date of this ingredient list is unknown.
Has the product changed? Photograph the packaging.