Is star candy poisonous?

There is no poison, but there are many synthetic pigments, star candy and "wishing bottles"

Potential harm: this kind of candy contains more synthetic pigments, such as lemon yellow and sunset yellow, which belong to azo compounds and accumulate in human body to induce pathological changes. Long-term excessive consumption of food with excessive sweeteners is harmful to human liver and nervous system, especially to children with weak metabolic detoxification ability.