What is Lactobacillus acidophilus?

June 05, 2023 2 min read

What is Lactobacillus acidophilus?

Lactobacillus acidophilus is a species of bacteria that belongs to the Lactobacillus genus, which is a group of lactic acid bacteria commonly found in the human gut and other environments. It is a gram-positive, anaerobic, and rod-shaped bacteria that produces lactic acid as a byproduct of fermentation. It can also be found in some fermented foods, such as yogurt, kefir, and sauerkraut.

  • L. acidophilus is considered a probiotic, which means it is a beneficial bacteria that can have a positive impact on human health when consumed in adequate amounts. It has been studied for its potential health benefits in a number of areas, including digestive health, immune function, and vaginal health.

    Here are some potential benefits of L. acidophilus, supported by research:

    1. Digestive health: L. acidophilus has been shown to have a positive impact on digestive health by helping to break down lactose, reducing the symptoms of lactose intolerance. It has also been studied for its potential to alleviate symptoms of irritable bowel syndrome (IBS) and inflammatory bowel disease (IBD) by reducing inflammation in the gut and improving gut barrier function.
    2. Immune function: L. acidophilus may have a positive impact on immune function by stimulating the production of antibodies and enhancing the activity of natural killer cells, which are important components of the immune system.
    3. Vaginal health: L. acidophilus is a naturally occurring bacteria in the vaginal microbiome and is important for maintaining a healthy vaginal environment. It can help prevent and treat bacterial vaginosis, yeast infections, and urinary tract infections by producing lactic acid, which lowers the pH of the vagina and inhibits the growth of harmful bacteria.
    4. Cholesterol management: Some research suggests that L. acidophilus may help lower cholesterol levels by breaking down bile in the gut, which is necessary for cholesterol metabolism.
    5. Allergy prevention: L. acidophilus may also play a role in preventing allergies by modulating the immune system and reducing inflammation.
    L. acidophilus can be found in a variety of food sources, including yogurt, kefir, sauerkraut, kimchi, and other fermented foods. It is also available in supplement form, either alone or in combination with other probiotic strains. Overall, L. acidophilus is considered a safe and beneficial probiotic for most people.

      References:

      • Ouwehand AC, Salminen S, Isolauri E. Probiotics: an overview of beneficial effects. Antonie Van Leeuwenhoek. 2002 Nov;82(1-4):279-89.
      • Elmer GW, Surawicz CM, McFarland LV. Biotherapeutic agents. A neglected modality for the treatment and prevention of selected intestinal and vaginal infections. JAMA. 1996 Dec 25;276(24):1975-80.
      • Lebeer S, Vanderleyden J, De Keersmaecker SC. Host interactions of probiotic bacterial surface molecules: comparison with commensals and pathogens. Nat Rev Microbiol. 2010 Apr;8(3):171-84.
      • Boyle RJ, Robins-Browne RM, Tang ML. Probiotic use in clinical practice: what are the risks? Am J Clin Nutr. 2006 Jun;83(6):1256-64.
      • Yoon HS, Ju JH, Kim HN, Park HJ, Ji Y, Park KY. Effects of Lactobacillus acidophilus on gut microbiota composition in broiler chickens challenged with Clostr


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