image of a vibrant and colorful box placed in a modern kitchen setting. The box should have a dynamic superhero microbiome character on it, representing the immune-boosting power of a children's Vitamin C supplement. The superhero character is cartoonish, friendly, and strikes a dynamic, energetic pose. The kitchen background should look clean and contemporary, with the box standing out on a countertop. The colors should be appealing to children, incorporating bright oranges, yellows, and greens that suggest health and vitality. The design of the box should blend playfulness with a medical assurance, attracting kids' attention while also communicating the benefits of Vitamin C for immune support --s 250 --niji 6