Abstract: The present invention relates to a molluscicide composition having a form of food bait and comprising at least one molluscicidal agent. In order to improve efficacy and ecological properties of a molluscicide it further comprises humic acid. The invention also relates to a method of preparing such a composition, a molluscicide dosage form comprising such a composition, as well as a method and use of such a molluscicide composition or a molluscicide dosage form in combating molluscs for an extended period in agricultural, horticultural and/or garden environments.