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Lactose Intolerance Simplified Revision Notes

Revision notes with simplified explanations to understand Lactose Intolerance quickly and effectively.

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Lactose Intolerance

Overview:

  • Lactose is a natural sugar found in milk and milk products.
  • Lactose intolerance occurs when a person does not produce enough of the enzyme lactase, which is needed to digest lactose.
  • If lactose is consumed:
    • The undigested lactose molecules remain in the digestive system.
    • This causes symptoms such as cramps and diarrhoea.

Dietary Management:

  • Avoid lactose-containing foods:
    • Milk
    • Cheese
    • Other dairy products
  • Choose lactose-free alternatives:
    • Lactose-free milk
    • Plant-based milk, such as almond, soy, or oat milk
  • Calcium supplementation:
    • Many people with lactose intolerance take calcium supplements to ensure they get enough calcium for strong bones and teeth.
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