The Consumer Education Project of Milk SA

How common is lactose intolerance?

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Lactose intolerance is estimated to affect about 65% of humans worldwide. It is more common in Asian, southern European and African populations.

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The worldwide prevalence of lactose intolerance is estimated at about 65%, but it varies across populations, ranging from 4% to over 80% in different parts of the world. Reduced production of lactase with age is more common in people of Asian, southern European and African heritage.

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