The product PINISAN PINISAN 1 ONAGRA AC.PRIMULA+VIT.E 100 pearls is a natural supplement containing evening primrose oil, evening primrose oil and vitamin E. These ingredients are known for their beneficial properties for the digestive system. Evening primrose oil and evening primrose oil are rich in essential fatty acids that can help improve gastrointestinal health. Vitamin E, meanwhile, is an antioxidant that can help protect cells from oxidative damage.