Uses

• Nopal is included in some Mexican and Southwestern cuisine, and nopal supplements can be found in health food stores. It may be used as a mild laxative, and to help lower blood sugar and cholesterol levels.
  
  

Gastrointestinal Effects

• The most likely nopal side effects are gastrointestinal. People may experience abdominal fullness, mild upset stomach, nausea and mild diarrhea.
  
  

Allergic Reaction

• Consumers have reported nasal inflammation and asthma symptoms as an allergic reaction to nopal. Anyone with asthma should be cautious about taking this supplement.
  
  

Liver Considerations

• People with liver dysfunction should not take nopal. Large doses can have negative effects on the liver.
  
  

Drug Interactions

• Because of the potential benefits of this supplement, people taking medications for diabetes or high cholesterol should monitor their condition closely when taking nopal.