A UK study found that 39% of products labeled as vegan contained traces of animal-derived ingredients such as egg or dairy. The lack of legal definitions for terms like "vegan" or "plant-based" on food packaging allows manufacturers to use these labels even when products contain animal ingredients or have significant cross-contamination risks. This poses a serious concern for consumer safety and highlights the need for stronger food labeling standards.

The issue of misleading terminology and inadequate labeling standards has led to consumer confusion and, in some cases, tragic consequences. To protect themselves, consumers are advised to carefully read ingredient lists, look for precautionary allergen labels, and contact manufacturers directly about their cross-contamination protocols. Regulatory bodies in both the UK and the US are beginning to address these concerns, but until stricter guidelines are established, consumers must remain vigilant when selecting vegan products.