• Hyperactivity and behavioral issues (especially in children).
• Allergic reactions (e.g., hives, swelling, itching).
• Headaches and migraines.
• Irritability and mood swings.
• Attention problems and inattention (linked to ADHD in some cases).
• Digestive discomfort (e.g., stomach upset or pain).
• Potential immune system suppression (as suggested by some studies).
• Skin irritation (e.g., eczema-like reactions).
• Sleep disturbances.
• Possible carcinogenic concerns (not conclusively proven but suggested in animal studies).
• Red or discolored stools (in large quantities).