What is the primary cause of Lactose intolerance in individuals?

A Deficiency of lactase enzyme ✓
B Overproduction of lactose
C Insufficient absorption of glucose
D Excessive consumption of dairy products

Explanation

Lactose intolerance occurs when the small intestine does not produce enough lactase, the enzyme that digests lactose, a sugar found in milk and other dairy products.

Mnemonic

Lactase = Locks Away Carbs, Thus Easing Symptoms

Source

National Institute of Diabetes and Digestive and Kidney Diseases
Metabolic and Nutritional Disorders Nutrition and Metabolism Carbohydrate Metabolism Easy MEDICAL Confidence: high