1 Lactose values are in grams and calculated per 100g of food weight. 2  This lactose database contains lactose content of 1,232 common foods.
http://health-diet.us/lactose/
Foods that are high in lactose are milk, cheese, yogurt and sour cream. Milk has the highest amount at 12 grams per cup. Cheese that has 1 gram of lactose per serving is considered to be low in lactose. Those cheeses include cheddar, Parmesan or Swiss, cream, cottage and ricotta.
http://healthyeating.sfgate.com/foods-high-lactose-6159.html
Method 1 of 3: Avoid Lactose-Based Dairy Products. Whey protein is found in lactose-based dairy products, such as cow’s or goat’s milk, cheese, sour cream, ice cream, and yogurt. Whey products are often high in lactose, and most products with whey will cause considerable discomfort for the typical person suffering from lactose intolerance. 1  1 Edit step.
http://www.wikihow.com/Avoid-Whey-to-Alleviate-Lactose-Intolerance
Hidden sources. If you think skipping milk, cheese and butter keeps your life lactose-free, think again. Lactose, a sugar found in milk products, quietly lurks in a variety of foods and products that you regularly consume. According to Desiree Nielsen, a Vancouver-based registered dietitian, lactose is more prevalent than you might think.
http://www.besthealthmag.ca/best-eats/lactose-intolerance/8-surprising-sources-of-lactose/
Lactose intolerance is the inability to digest significant amounts of lactose, the predominant sugar of milk. This inability results from a shortage of the enzyme lactase, which is normally produced by the cells that line the small intestine.
http://www.food-info.net/uk/qa/qa-all12.htm
Milk and cheese are high in lactose. Lactose is a sugar found in milk and milk products. When you digest lactose it is broken down into two simpler sugars, glucose and galactose, by an enzyme called lactase. You can find lactose naturally in milk, yogurt and cheese. Some products have lactose added to them during processing to increase their shelf life.
http://healthyeating.sfgate.com/foods-high-lactose-6159.html
In the United States, milk products have to be listed as a potential allergy warning if the food contains them. Most manufacturers will individually include whey in the ingredient list as well, particularly if the product is not strictly considered a dairy product. By avoiding food and drinks that contain whey, you can avoid potentially high concentrations of lactose and spare yourself the associated discomfort.
http://www.wikihow.com/Avoid-Whey-to-Alleviate-Lactose-Intolerance
Lactase breaks down milk sugar into simpler forms that can then be absorbed into the bloodstream. Tolerance to lactose is variable and individual-dependent. The tolerance threshold of milk and/or dairy products can only be determined by trial and observation by qualified medical practitioners. Milk and non-fermented dairy products, which are the natural sources of lactose, should be avoided. Fermented dairy products, on the other hand, are well tolerated because the abundant lactic acid bacteria present in these products digest the lactose.
http://www.food-info.net/uk/qa/qa-all12.htm
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https://answers.yahoo.com/question/index?qid=20090318120151AAf7I3U
Dairy sensitivity can be caused by lactose intolerance, milk allergies or irritable bowel syndrome (IBS). 1  Lactose intolerance: deficiency of a natural enzyme called lactase in the body which can cause symptoms of gas, bloating and diarrhea when foods with lactose are eaten.
http://health-diet.us/lactose/
what foods have lactose in them
Foods that are high in lactose are milk, cheese, yogurt and sour cream.