A Clinical Study on the Effect of DHA & ARA Candy on the Cognitive Improvement in Preschool Children

Inclusion Criteria: * Participants must be 2-6 years old * Healthy children of normal development, without gender restrictions, with a male to female ratio of more than 40%; * During the trial period, participants agree not to take any medications, supplements, or other nutritional products containing DHA and ARA; * Parents or legal guardians (at least one party) have signed an informed consent form, voluntarily participating in this study and complying with the study design; * Willing to not participate in other interventional nutritional studies during the trial period; * Capable of fully understanding the nature, purpose, benefits, and potential risks and side effects of this study. Exclusion Criteria: * Allergic to dairy products; * Severely intolerant to milk dairy products; * Unable to provide written informed consent; * During the screening period, or within the past two weeks, has used antibiotics; * Currently taking therapeutic medications; * The volunteer has any of the following medical histories or has been nutritionally diagnosed with any of the following diseases: significant gastrointestinal dysfunction, liver, kidney, endocrine, blood, respiratory, or cardiovascular diseases, which may affect the assessment of the trial's effects; * Suffering from any gastrointestinal dysfunction or gastrointestinal disease. For example, but not limited to: Irritable Bowel Syndrome (IBS), enteritis, ulcerative colitis, celiac disease, irritable bowel syndrome; * Has a history of hospitalization within the past 3 months; * According to the researcher's judgment, currently frequently using medications that may affect gastrointestinal function or the immune system.