Acidophilus (Lactobacillus acidophilus)
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Lactobacillus acidophilus belongs to a group of bacteriaA group of organisms too small to be seen with the naked eye, which are usually made up of just a single cell. that normally live in the human small intestineThe section of gut, or gastrointestinal tract, from the stomach to the anus. and vagina. L. acidophilus is one of the most commonly used probiotics, or "good germs." Common food sources of L. acidophilus include yogurt and fermented soy products, such as miso and tempeh.
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Many human studies report benefits of L. acidophilus for bacterial vaginosis, a common bacterial infectionInvasion by organisms that may be harmful, for example bacteria or parasites. of the vagina. More studies are needed before L. acidophilus can be recommended for other medical conditions.
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These uses have been tested in humans or animals. Safety and effectiveness have not always been proven. Some of these conditions are potentially serious, and should be evaluated by a qualified healthcare provider. |
Grade* |
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Vaginal disorders |
B |
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Allergic rhinitis (hay fever) |
C |
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Asthma |
C |
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Diarrhea prevention |
C |
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Diarrhea treatment (children) |
C |
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Eczema (skin disorder; prevention) |
C |
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Helicobacter pylori infectionInvasion by organisms that may be harmful, for example bacteria or parasites. |
C |
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Hepatic encephalopathy (confused thinking due to liverA large abdominal organ that has many important roles including the production of bile and clotting factors, detoxification, and the metabolism of proteins, carbohydrates and fats. disorders) |
C |
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Immune function |
C |
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Intestinal disorders |
C |
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Lactose intolerance |
C |
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Premature birth prevention |
C |
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High cholesterolA substance present in many tissues and an important constituent of cell membranes although high concentrations of a certain type of cholesterol in the blood are unhealthy. |
D |
*Key to grades:
A: Strong scientific evidence for this use;
B: Good scientific evidence for this use;
C: Unclear scientific evidence for this use;
D: Fair scientific evidence against this use (it may not work);
F: Strong scientific evidence against this use (it likely does not work).
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L. acidophilus is generally well tolerated with very few side effects. Lactose-sensitive people may develop abdominal discomfort or other adverse effectsUndesirable side-effects of medication. from L. acidophilus-containing products, due to very small amounts of lactose left over from the manufacturing process. Use with caution in infants, children, older patients, or patients with gastrointestinal disorders, short bowel syndrome, or high fever. Avoid in patients with weakened immune systems or milk allergies.
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Abdominal cramping, colic, gas, increased risk for infections, skin irritation.
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Agents that affect the gastrointestinal system, agents that reduce stomach acid, alcohol, antibioticsMedication to treat infections caused by microbes (organisms that can't be seen with the naked eye), such as bacteria., birth control vaginal rings, cholesterolA substance present in many tissues and an important constituent of cell membranes although high concentrations of a certain type of cholesterol in the blood are unhealthy.-lowering agents, low-oxalate diets, phytic acid, prebiotics, probiotics, sulfonamide drugs, and vaccines.
Adults (18 years and older):
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L. acidophilus has been taken by mouth as capsules or tablets, clotted milk, fermented milk, a freeze-dried preparation, living or heat-killed bacteriaA group of organisms too small to be seen with the naked eye, which are usually made up of just a single cell., and yogurt. Treatments for vaginal disorders include: a douche made of yogurt and water; tablets containing L. acidophilus inserted directly into the vagina; a vaccine containing L. acidophilus.
Children (younger than 18 years):
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L. acidophilus has been taken by mouth as capsules or tablets, clotted milk, freeze-dried bacteriaA group of organisms too small to be seen with the naked eye, which are usually made up of just a single cell., heat-killed bacteriaA group of organisms too small to be seen with the naked eye, which are usually made up of just a single cell., and a probiotic preparation.
Licensed by Natural Standard.
Copyright © 2012 Natural Standard (www.naturalstandard.com) Commercial distribution prohibited. This flashcard is intended for informational purposes only, and should not be interpreted as specific medical advice. Patients should consult with a qualified healthcare provider before making decisions about therapies and/or health conditions.
While some complementary and alternative techniques have been studied scientifically, high-quality data regarding safety, effectiveness, and mechanism of action are limited or controversial for most therapies. Whenever possible, it is recommended that practitioners be licensed by a recognized professional organization that adheres to clearly published standards. In addition, before starting a new technique or engaging a practitioner, it is recommended that patients speak with their primary healthcare provider(s). Potential benefits, risks (including financial costs), and alternatives should be carefully considered. The above monograph is designed to provide historical background and an overview of clinically-oriented research, and neither advocates for or against the use of a particular therapy.