It's very safe. Ofm'om probiotics use a European patented mixed strain, all selected from the National Health Commission's "List of strains that can be used in infant food", among which short bifidum strains are selected. Bacillus M-16V is specially added, it is friendly to the human body, and is a safe strain for newborns and premature infants, which can help babies establish good nutritional metabolism/nutrient absorption. System, protect nutrition and health. . If my answer is helpful to you, please accept it