Allergenic pollen is produced by the Oleaceae family, including the olive tree, which causes seasonal respiratory allergies in Mediterranean countries.
Controlled studies are not available, so interactions are theoretical and based on evidence of pharmacological activity with uncertain clinical significance.
Theoretically, an additive hypoglycaemic effect is possible but is speculative — possible beneficial interaction under professional supervision.
Theoretically, an additive hypotensive effect is possible but is speculative — possible beneficial interaction under professional supervision.
Contraindications and Precautions
People with known allergies to the Oleaceae family of plants should avoid this herb.
Olive oil is likely to be safe when consumed in dietary amounts; however, the safety of olive leaf extract is not known.