Effects of Raw Versus Other Milk Sources on Lactose Digestion

Not Recruiting

Trial ID: NCT01129791


The purpose of this small, short pilot study is to determine the feasibility (e.g., recruitment, dose acceptance, retention) of a future longer trial comparing the effects of different types of milk (raw milk, cow's milk, nondairy-milk) on lactose maldigestion.

Official Title

Comparison of Raw Milk Consumption vs. Other Milk Sources on Lactose Digestion in Healthy Individuals With Self-reported Lactose Intolerance

Stanford Investigator(s)


Inclusion Criteria:

* Gender: Both women and men
* Age: \> or = 18 years
* Ethnicity and race: All ethnic and racial backgrounds welcome
* Elevation of breath hydrogen after ingestion of 25 g of lactose \> 20 ppm over baseline
* Planning to be available for clinic visits for the 6 weeks of study participation
* Ability and willingness to give written informed consent
* No known active psychiatric illness.

Exclusion Criteria:

* Intake of antibiotics or other medications within the past month
* History of diarrheal illness within past month
* Secondary lactase deficiency
* Self reported personal history of:

\*gastrointestinal conditions other than related with lactose maldigestion (IBS, IRB, Short bowel, malabsorption, celiac disease, GI surgery)
* Pregnant or Lactating
* Inability to communicate effectively with study personnel
* Protein allergy related to cow 's milk proteins or soybean proteins


behavioral: Raw Milk

behavioral: Pasteurized Milk

behavioral: Non-dairy milk

Not Recruiting

Contact Information

Stanford University
School of Medicine
300 Pasteur Drive
Stanford, CA 94305
Antonella Dewell