Allaying fears and fallacies about lactose intolerance

Area of Science:

• Nutrition Science
• Gastroenterology

Background:

• Public awareness and misunderstandings of lactose intolerance are widespread.
• Unnecessary elimination of dairy products can lead to inadequate calcium intake, increasing risks of osteoporosis and hypertension.

Purpose of the Study:

• To address misconceptions about lactose intolerance.
• To provide dietetics professionals with strategies to help clients manage lactose tolerance and improve dietary calcium intake.

Main Methods:

• Review of scientific findings on lactose intolerance prevalence and diagnosis.
• Analysis of factors contributing to symptoms mimicking lactose intolerance.
• Evaluation of dietary strategies for managing lactose intake.

Main Results:

• The prevalence of lactose intolerance is significantly overestimated.
• Physiological and psychological factors can cause symptoms mistaken for lactose intolerance.
• Individuals with confirmed lactase deficiency can often tolerate dairy products when consumed with meals or in divided doses.

Conclusions:

• Dietary strategies can enable individuals with lactose maldigestion to include dairy foods in their diet without adverse symptoms.
• Accurate information and tailored dietary approaches are crucial for managing lactose intolerance and ensuring adequate nutrient intake.