Food coloring is generally safe for babies, as long as it is used in moderation. However, it is important to be aware that some food colorings contain artificial additives and preservatives that may not be suitable for a baby's developing digestive system. Furthermore, some food colorings are made from coal tar derivatives and can contain heavy metals such as lead. Therefore, it is best to avoid using food coloring when preparing baby food if possible. If you do decide to use food coloring, opt for natural dyes such as beetroot powder or turmeric instead of artificial ones. These natural dyes are much less likely to irritate a baby's digestive system and are free from potentially harmful additives. When using any kind of food coloring, it is important to keep an eye on the amount used so that there is no risk of over-exposure.