Is this a homework question? We don't help with homework here. But in case this is an actual question, look up your country's laws. In the United States, raw fruit, vegetables and fish do not need food labels. And any foods that have basically no additives could not be labeled. But if there is any significant addictive, it will be. Here's the FDA information for US exemptions from labeling requirements. https://www.fdareader.com/blog/2018/12/11/exemption-from-food-labeling-requirements%EF%BB%BF