L. reuteri

L. reuteri

General Facts

  • L. reuteri lives in the intestine, oral cavity, and vaginal and urinary tracts.
  • It is commonly found in many foods, especially in meat and milk products.
  • It is known to produce reuterin, an antibacterial substance.


Our recommendations are based on the following rules:
  1. Exact strain number is shown in the supplement facts
  2. Product of the single strain or one of the strains of a few others
  3. Best customer reviews with high number of reviewers 
  4. Popular brand and low cost


L. reuteri RC-14

Urinary Tract Infections / Bacterial Vaginosis (1) 
urinary-tract-infections, rephresh, probiotic

L. reuteri Prodentis lozenges (DSM17938 and ATCC PTA 5289)

plaque inhibition (2)
detal probiotic, oral health

L. reuteri DSM 17938

Common Cold, Diarrhea, Constipation, Colic (3, 4, 5)

L. reuteri NCIMB 30242

LDL and Cholesterol (6)
cholesterol, cardioviva, probioitcs



L. reuteri DSM 12246 

Atopic Dermatitis for baby (7): Not Commercially Available Yet


  1. Falagas, Matthew E., et al. "Probiotics for prevention of recurrent urinary tract infections in women." Drugs 66.9 (2006): 1253-1261.
  2. Vivekananda, M. R., K. L. Vandana, and K. G. Bhat. "Effect of the probiotic Lactobacilli reuteri (Prodentis) in the management of periodontal disease: a preliminary randomized clinical trial." Journal of Oral Microbiology 2 (2010).
  3. Dinleyici, Ener Cagri, and Yvan Vandenplas. "Lactobacillus reuteri DSM 17938 effectively reduces the duration of acute diarrhoea in hospitalised children." Acta Paediatrica 103.7 (2014): e300-e305.
  4. Coccorullo, Paola, et al. "Lactobacillus reuteri (DSM 17938) in infants with functional chronic constipation: a double-blind, randomized, placebo-controlled study." The Journal of pediatrics 157.4 (2010): 598-602.
  5. Indrio, Flavia, et al. "Prophylactic use of a probiotic in the prevention of colic, regurgitation, and functional constipation: a randomized clinical trial."JAMA pediatrics 168.3 (2014): 228-233.
  6. Jones, M. L., C. J. Martoni, and S. Prakash. "Cholesterol lowering and inhibition of sterol absorption by Lactobacillus reuteri NCIMB 30242: a randomized controlled trial." European journal of clinical nutrition 66.11 (2012): 1234-1241.
  7. Rosenfeldt, Vibeke, et al. "Effect of probiotic Lactobacillus strains in children with atopic dermatitis." Journal of Allergy and Clinical Immunology 111.2 (2003): 389-395.