Merchient’s ingredient library
The library supports 1 wording for evening primrose oil; the strongest is “Provides omega-6 fatty acids, including linoleic acid, for the maintenance of good health” (moderate, 1.3-6 g a day). Avoid wording that names or implies a disease, a drug or a treatment, such as “Treats eczema (atopic dermatitis)”.
Also called: Oenothera biennis
Reviewed
Not legal advice. This guide shows the wording that published evidence supports at a daily dose, from the sources linked below; it is not a ruling on any claim. Your own product, its form and dose, and your own evidence still need to match the wording you use.
Supported wordings
Moderate evidenceWording 1
Claims Facts
“Provides omega-6 fatty acids, including linoleic acid, for the maintenance of good health.”
| Daily dose | 1.3-6 g a day |
|---|---|
| Support | Health Canada lists it at 1.3-6 g a day; no other listed source covers it. |
| Dose details | Adults 18 and older. Health Canada: 1.3-6 g of evening primrose oil a day. |
| Form | Evening primrose seed oil |
| Source | Health Canada monograph: Evening Primrose Oil |
Wordings to avoid
Claims Facts
| Wording to avoid | Reason |
|---|---|
| “Treats eczema (atopic dermatitis)”Names a disease. | Disease |
| “Relieves breast pain (mastalgia) or PMS symptoms”Names a medical condition. | Disease |
| “Ripens the cervix or brings on labor”Describes a drug action in pregnancy. | Drug |
Disease: names or implies a disease. Drug: names a drug or presents the product as one. Treatment: promises to treat, cure or prevent a condition.
Vera, Merchient’s AI employee, reads your site and emails you the riskiest line, why, a safer rewrite and how many more like it she found. Reply, and you get the free first report.
Or write to hello@merchient.com