Evening Primrose Oil Interactions with Herbs and Dietary Supplements

Evening Primrose Oil Interactions with Herbs and Dietary Supplements
In animal studies, gamma-linolenic acid (an ingredient of evening primrose oil) is reported to lower blood pressure. Theoretically, evening primrose oil may have additive effects when taken concomitantly with thyme, because a fixed combination of thyme fluid extract and primrose root tincture (Bronchicum Tropfen) has been used in studies to treat bronchitis.
Primrose oil may potentially interact with herbs and supplements used to treat arthritis, gastrointestinal disorders, obesity, seizures, viral infections, and psychosis. Antineoplastics may also interact with evening primrose oil.
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