QUERCETIN PLUS
Natural health product licensed in Canada
- Other names
- COLD & LUNG GUARD, COLD AND FLU FIGHTER IMMUNE SUPPORT, COLD AND LUNG GUARD IMMUNE SUPPORT, COLD fighter & LUNG guard IMMUNE SUPPORT, COLD-GUARD, FLU FIGHTER AND IMMUNE SUPPORT, lung guard immune support
- Licence holder
- HERBACURE NATURAL INC.
- NPN or DIN-HM
- 80105057
- Status
- Active licence
- Licence date
- 9 October 2020
- Revision date
- Not provided
- Form
- Capsule
- Route of administration
- Orale
- Application type
- Non traditionnelle
If this product were sold in France
- Dose déclarée au-delà d'une limite
Zinc: up to 50 mg a day according to the dosing instructions published by Health Canada (4 unités posologiques par jour au plus, pour les adultes), above the maximum dose of 15 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.
- À vérifier
Zinc: up to 50 mg a day according to the dosing instructions published by Health Canada, above the limite de sécurité from EFSAEuropean Food Safety Authority. for adults (25 mg a day). Le repère de l'EFSA porte sur l'apport total d'une journée, alimentation et compléments.
limite supérieure de sécurité (UL). EFSA, Overview on Tolerable Upper Intake Levels (version 11, August 2025), retrieved 21 October 2026.
- Conditions légales
Glycyrrhiza glabra L.: La portion journalière recommandée ne doit pas conduire à une ingestion d'acide glycyrrhizinique supérieure à 100 mg. L'étiquetage doit comporter un avertissement avec la teneur suivante: "Ne pas utiliser pendant plus de 6 semaines sans avis médical." L'étiquetage doit comporter un avertissement déconseillant l'emploi chez les enfants.
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 |
|---|---|---|
| Echinacea purpurea Source : Racine Extract : Matériel brut sec Extraction ratio : 5:1 Dry plant equivalent : 450 mg | 90 mg | Not calculated |
| 2-(3,4-dihydroxyphényl)-3,5,7-trihydroxy-4H-1-benzopyran-4-one Source : Quercétine | 300 mg | Not calculated |
| Zinc Source : Citrate de zinc | 12.5 mg | 50,000 µg |
| Glycyrrhiza glabra Source : Racine et stolon Extract : Matériel brut sec Extraction ratio : 5:1 Dry plant equivalent : 300 mg | 60 mg | Not calculated |
| Piper nigrum Source : Fruit | 5 mg | Not calculated |
Non-medicinal ingredients
Acide stéarique, Hypromellose, Stéarate de magnésium
Recommended doses in Canada
| Population | Age | Quantity per serving | Frequency |
|---|---|---|---|
| Adultes | minimum: 19 years | 1 Capsule | minimum: 2 Tous les jours ; maximum: 4 Tous les jours |
Uses authorised in Canada
Text supplied in English because no French text is available.
Echinacea purpurea Helps to relieve the symptoms and shorten the duration of upper respiratory tract infections. Echinacea purpurea is Traditionally used in Herbal Medicine to help relieve cold symptoms. Quercetin is used in Herbal Medicine as a capillary/blood vessel protectant (lung,liver) and is a source of antioxidant Licorice is Traditionally used in Herbal Medicine as an expectorant to help relieve chest complaints, such as mucous buildup (catarrhs), coughs and bronchitis Helps (to) maintain/support immune function/system.
A use authorised in Canada is not an authorised health claim in the European Union. See the health claims register.
Warnings in Canada
No French warning text available in the imported data.
Source
Official Health Canada record, licence 80105057
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.