LIMOSILACTOBACILLUS REUTERI: Overview, Uses, Side Effects, Precautions, Interactions, Dosing and Reviews (2024)

Overview

Limosilactobacillus reuteri (L. reuteri) is a type of probiotic ("good" bacteria) normally found in the digestive tract. It produces lactic acid in the gut.

"Good" bacteria such as L. reuteri can help break down food, absorb nutrients, and fight off "bad" organisms that might cause diseases. L. reuteri is sometimes added to fermented foods like yogurt and is also found in probiotic supplements.

People use L. reuteri for stomach pain, colic, constipation, diarrhea, Helicobacter pylori (H. pylori) infection, and high cholesterol. It is also used for eczema, canker sores, diabetes, and many other conditions, but there is no good scientific evidence to support most of these other uses. There is also no good evidence to support using L. reuteri for COVID-19.

Don't confuse L. reuteri with other probiotics, or with fermented food products such as fermented milk, kefir, or yogurt. These are not the same. Also note that L. reuteri used to be classified under the Lactobacillus genus. But Lactobacillus was split up into 25 different genera in April 2020. Some product labels might still list this species as Lactobacillus reuteri rather than its new name, Limosilactobacillus reuteri.

Uses & Effectiveness ?

Possibly Effective for

  • Stomach pain. Taking L. reuteri by mouth seems to reduce stomach pain in children. It's not clear if it helps adults.
  • Excessive crying in infants (colic). Giving infants L. reuteri by mouth seems to help with colic.
  • Constipation. Taking L. reuteri by mouth seems to reduce constipation.
  • Diarrhea. Taking L. reuteri by mouth slightly reduces how long diarrhea lasts in children.
  • A digestive tract infection that can lead to ulcers (Helicobacter pylori or H. pylori). Taking L. reuteri by mouth along with most standard drug therapies used to treat H. pylori seems to reduce the side effects from these drugs. But it's not clear if L. reuteri helps treat H. pylori infection.
  • High cholesterol. Taking L. reuteri by mouth seems to help lower cholesterol levels by a small amount.

There is interest in using L. reuteri for a number of other purposes, but there isn't enough reliable information to say whether it might be helpful.

Side Effects

When taken by mouth: L. reuteri is likely safe. It's been used safely alone and together with other probiotics for up to 6 months. Some people might experience diarrhea or constipation, but it's usually well-tolerated.

Special Precautions and Warnings

When taken by mouth: L. reuteri is likely safe. It's been used safely alone and together with other probiotics for up to 6 months. Some people might experience diarrhea or constipation, but it's usually well-tolerated.

Pregnancy and breast-feeding: L. reuteri is possibly safe when taken by mouth appropriately while pregnant and breast-feeding.

Children: L. reuteri is likely safe when taken by mouth in most children. It's been used safely for up to 4 weeks in infants and up to 12 weeks in older children. However, there isn't enough reliable information to know if L. reuteri is safe for very small premature infants.

Weakened immune system: L. reuteri has caused blood infections in a small number of people with weakened immune systems. If you have a weakened immune system, talk with your healthcare provider before taking L. reuteri.

Damaged heart valves: L. reuteri can cause an infection in the inner lining of the heart chambers and heart valve. This is extremely rare, but people with damaged heart valves should stop taking probiotics before dental procedures or surgical procedures.

Interactions ?

    Moderate Interaction

    Be cautious with this combination

  • Antibiotic drugs interacts with LIMOSILACTOBACILLUS REUTERI

    L. reuteri is a type of friendly bacteria. Antibiotics are used to reduce harmful bacteria in the body. Taking antibiotics along with L. reuteri can reduce the effects of L. reuteri. To avoid this interaction, take L. reuteri products at least 2 hours before or after antibiotics.

Dosing

L. reuteri is sometimes added to fermented foods such as yogurts. It's commonly taken in dietary supplements.

In adults, L. reuteri has most often been taken by mouth, alone or together with other probiotics, in doses of 200 million to 50 billion colony-forming units (CFUs) daily, for up to 6 months. In children, L. reuteri has most often been taken by mouth in doses of 100 million to 20 billion CFUs daily, for up to 6 months. Speak with a healthcare provider to find out what dose might be best for a specific condition.

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CONDITIONS OF USE AND IMPORTANT INFORMATION: This information is meant to supplement, not replace advice from your doctor or healthcare provider and is not meant to cover all possible uses, precautions, interactions or adverse effects. This information may not fit your specific health circ*mstances. Never delay or disregard seeking professional medical advice from your doctor or other qualified health care provider because of something you have read on WebMD. You should always speak with your doctor or health care professional before you start, stop, or change any prescribed part of your health care plan or treatment and to determine what course of therapy is right for you.

This copyrighted material is provided by Natural Medicines Comprehensive Database Consumer Version. Information from this source is evidence-based and objective, and without commercial influence. For professional medical information on natural medicines, see Natural Medicines Comprehensive Database Professional Version.
© Therapeutic Research Faculty 2020.

LIMOSILACTOBACILLUS REUTERI: Overview, Uses, Side Effects, Precautions, Interactions, Dosing and Reviews (2024)

FAQs

What is Limosilactobacillus reuteri good for? ›

People use L. reuteri for stomach pain, colic, constipation, diarrhea, Helicobacter pylori (H. pylori) infection, and high cholesterol. It is also used for eczema, canker sores, diabetes, and many other conditions, but there is no good scientific evidence to support most of these other uses.

What is Lactobacillus reuteri drops used for? ›

Generic Name: Lactobacillus reuteri

Probiotics are used to improve digestion and restore normal flora. Probiotics have been used to treat bowel problems (such as diarrhea, irritable bowel), eczema, vagin*l yeast infections, lactose intolerance, and urinary tract infections.

Does lactobacillus reuteri cause weight gain? ›

The link was confirmed when vancomycin-resistant L. reuteri in the gut microbiota was discovered to be a predictor of body weight increase following vancomycin treatment [28]. Other studies have associated weight gain with L. reuteri abundance, due to the level of fructose ingested [29].

What interacts with Lactobacillus reuteri? ›

Drug-Drug Interaction: LACTOBACILLUS REUTERI may interact with antifungals (ketoconazole, clotrimazole, griseofulvin, nystatin). Drug-Food Interaction: LACTOBACILLUS REUTERI may interact with alcohol. Therefore, avoid alcohol consumption with LACTOBACILLUS REUTERI as it may increase adverse effects.

Who should not take reuteri? ›

There are also specific populations that should exercise caution when using Lactobacillus reuteri. People with compromised immune systems, such as those undergoing chemotherapy, individuals with HIV/AIDS, or those who have recently had surgery, may be at a higher risk of developing infections from probiotics.

How long does it take for reuteri to work? ›

Everyone who is taking Lactobacillus Reuteri may be doing so for different reasons which also means their effects may take longer for some people to notice than others. Normally, you can expect to notice the effects of Lactobacillus Reuteri within just a few days, depending on what you are taking the L.

Does L. reuteri help you sleep? ›

They reported that the best probiotics for sleep may be a mixture of Lactobacillus reuteri NK33 and Bifidobacterium adolescentis NK98. These two strains were found to improve stress, depression, anxiety, and sleep disturbances9.

What food has the most Lactobacillus reuteri? ›

Food source: Sourdough breads, fermented foods like miso, kimchi and sauerkraut. Often added to yoghurts and other dairy products.

Does reuteri increase testosterone? ›

L. reuteri increases Leydig cell proliferation and serum testosterone levels.

What gut bacteria causes weight gain? ›

There are microbes such as E. coli that have been shown to increase risk of obesity because they're known to be pro-inflammatory,” Mariana X. Byndloss, DVM, PhD, the Co-director of the Vanderbilt Microbiome Innovation Center at Vanderbilt University Medical Center, told Healthline.

Is L. reuteri a harmful bacteria? ›

Lactobacillus reuteri, one of the few endogenous Lactobacillus species in the human gastrointestinal tract, has been used safely for many years as a probiotic dietary supplement in adults, and recent data demonstrated safety after long-term dietary supplementation for newborn infant.

Do probiotics cause weight gain or bloating? ›

While probiotics may provide health benefits, they can also cause side effects, including bloating. They may also not be safe for some people. Probiotics are living bacteria and yeasts that provide health benefits when consumed in large amounts.

What cannot mix with probiotics? ›

Don't mix probiotics with heat or acidity

Just as the stomach acid can damage the delicate bacteria, so too could strongly acidic food and drinks. These include anything from a glass of wine to citrus fruit juices - so, make sure you aren't taking your probiotic with your glass of OJ at breakfast time.

What conditions should you not use probiotics with? ›

There's a small risk of adverse side effects for people with weaker immune systems. This includes people taking immunosuppressant drugs, people with critical illnesses and infants who've been born prematurely. The risk is that a probiotic product might contain a harmful type of microbe along with the helpful types.

Does L. reuteri really work? ›

reuteri improved infantile colic and symptoms such as crying time in breast-fed infants by 95%. Some studies have shown that L. reuteri has the potential to help eradicate H. pylori from the intestine when added to standard H.

What are the benefits of Limosilactobacillus fermentum? ›

fermentum might help the body break down food, absorb nutrients, and fight off "bad" organisms that might cause diseases. These bacteria are sometimes added to fermented foods like yogurt and also found in dietary supplements.

Is limosilactobacillus the same as Lactobacillus? ›

Limosilactobacillus is a thermophilic and heterofermentative genus of lactic acid bacteria created in 2020 by splitting from Lactobacillus.

Why is Lactobacillus bulgaricus good for you? ›

Lactobacillus acidophilus and bulgaricus has been used as a probiotic to aid in digestion, to prevent diarrhea, and to relieve symptoms of irritable bowel syndrome. Lactobacillus acidophilus and bulgaricus may work by helping the body maintain normal consistency of bacteria in the stomach and intestines.

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