Lactase
Lactase

Background

Lactase is an enzyme that breaks down lactose, the sugar in milk. Some people don't make enough lactase and are unable to digest lactose well on their own.

Lactase splits lactose to produce the sugars glucose and galactose. People who are lactose intolerant can experience cramps, diarrhea, and gas after consuming milk products.

People use lactase for lactose intolerance. It is also used for colic, growth and development in preterm infants, and many other conditions, but there is no good scientific evidence to support these uses.
When taken by mouth: Lactase is likely safe for most people when used with lactose-containing foods. It's usually well-tolerated.

Special Precautions & Warnings:

Pregnancy and breast-feeding: Lactase is likely safe when taken by mouth with lactose-containing foods.

Children: Lactase is likely safe when taken by mouth with lactose-containing foods.

Effectiveness

NatMed Pro rates effectiveness based on scientific evidence according to the following scale: Effective, Likely Effective, Possibly Effective, Possibly Ineffective, Likely Ineffective, Ineffective, and Insufficient Evidence to Rate.
  • Inability to properly digest the sugar lactose (lactose intolerance). Taking lactase by mouth before consuming milk or milk products helps digest lactose, a milk sugar. This prevents symptoms such as diarrhea, cramps, and gas in people with lactose intolerance.
There is interest in using lactase for a number of other purposes, but there isn't enough reliable information to say whether it might be helpful.
Likely effective Effectiveness definitions
Possibly effective Effectiveness definitions
Likely ineffective Effectiveness definitions
Possibly ineffective Effectiveness definitions
Insufficient evidence Effectiveness definitions

Dosing & administration

Lactase has most often been used by adults in doses of 6000-9000 IU by mouth before meals. Speak with a healthcare provider to find out what type of product and dose might be best for a specific condition.

Interactions with pharmaceuticals

It is not known if Lactase interacts with any medicines. Before taking Lactase, talk with your healthcare professional if you take any medications.

Interactions with herbs & supplements

There are no known interactions with herbs and supplements.

Interactions with foods

There are no known interactions with foods.
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This monograph was last reviewed on 29/06/2023 10:00:00 and last updated on 27/12/2021 02:38:15. Monographs are reviewed and/or updated multiple times per month and at least once per year.
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