This liquid is an easier way to give this supplement to cats & smaller dogs where it may be difficult to administer capsules. Can be dropped directly into the mouth, added to feed or for cats it can just be dropped onto the nose where, having no taste or smell, it will be licked off readily. Veterinary advice should be sought before giving Evening Primrose Oil to animals that suffer from epilepsy. Ingredients: Premium Grade Evening Primrose Oil with the highest obtainable level of GLA at 9%. Supplied in 30ml & 100ml bottles with glass pipette droppers for easy administration but which require care in use to avoid breakage.