Products tested in 2011 and 2021
+— 15 sources
In addition the results of its expert testing, ConsumerLab uses only high-quality, evidence based, information sources. These sources include peer-reviewed studies and information from agencies such as the FDA and USDA, and the National Academy of Medicine. On evolving topics, studies from pre-print journals may be sourced. All of our content is reviewed by medical doctors and doctoral-level experts in pharmacology, toxicology, and chemistry. We continually update and medically review our information to keep our content trustworthy, accurate, and reliable. The following sources are referenced in this article:
- Gaskin, Am J Lifestyle Med 2009
- Shaukat, Ann Intern Med 2010
- Vesa, J Am Coll Nutr 2000
- Gao, Nagoya J Med 2002
- He, J Appl Microbiol 2008
- Lami, Am J Gastr 1988
- Levri, J Fam Prac, 2005
- Lin, Dig Dis Sci 1993
- Marteau, Br J Nutr 1990
- Mustapha, J Dairy Sci 1997
- Newcomer, Am J Clin Nutr 1983
- Saltzman, Am J Clin Nutr 1999
- Sanders, Clin Pharm 1992
- Binkley, J Allergy Clin Immunol 1996
- Montalto, Eur J Clin Nutr 2005
Lactase supplements and lactose-free milks compared in this review
CVS pharmacy Dairy Relief Fast Acting Vanilla Twist Flavor
equate Fast Acting Dairy Digestive Supplement
Garden of Life Raw Enzymes Women 50+ & Wiser
KAL Lactase Enzyme 250 mg
Kirkland Signature Fast Acting Lactase
Lactaid Fast Act Vanilla Twist Flavor
Land O Lakes Dairy Ease Fat Free Milk
natural Factors Lactase Enzyme
Nature's Plus Say Yes to Dairy
Organic Valley Lactose Free Organic Fat Free Milk
Puritan's Pride Lactase Enzyme
Seeking Health Lactase Drops
Source Naturals Lactase Digest
Can lactose-free foods -- like like lactose-free milk -- and lactase enzyme supplements really help people with lactose intolerance? They may -- but it depends on how much enzyme activity is in the supplement and how much lactose has been removed from the food.
ConsumerLab.com selected and tested ten different lactase supplements and three popular brands of lactose-free milk. We also reviewed one product through our voluntary Quality Certification Program. The testing showed one lactase supplement with so little activity as to be of questionable value. But ConsumerLab.com also found many supplements that met their claims and may be helpful. The three lactose-free milks had no detectable lactose but only two provided a significant amount of vitamin D.
ConsumerLab.com found that an equal amount of lactase enzyme (enough to help with a high lactose meal) cost as little as 8 cents to as much as $6.79 depending on the brand of lactase supplement.
In this comprehensive review of lactase supplements and lactose-free milks, you'll get test results and quality ratings for 14 lactase supplements (two of which can be added to milk) and 3 lactose-free milks, as well as information about one other lactase supplement similar to another that was tested. You'll learn:
Which lactase supplements (including lactase drops) and lactose-free milks passed or failed testing
- How lactase supplements and lactose-free milks compare on quality, ingredients, and cost, and which best save you money
- The dose of lactase needed to reduce symptoms of lactose intolerance and how to properly take lactase supplements
- What to expect with lactose-free milk vs. regular milk
- Strategies and lactose-free food choices to reduce lactose in your diet and treat lactose intolerance, including how to make your own lactose-free milk
- What to consider when treating lactose intolerance and potential side-effects of lactase
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