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HeadquartersStockholm, Sweden
Area served
Key people
Peter Rothschild
ProductsBioGaia ProTectis drops, BioGaia ProTectis tablets, BioGaia ProTectis D3 drops, BioGaia ProTectis ORS, BioGaia ProDentis lozenges

BioGaia is a Swedish biotechnology company that develops, markets and sells a range of products with probiotics.[1][2][3]

Products containing L. reuteri have been proven to be both effective and safe in several areas; infant colic,[4][5] diarrhoea prevention and mitigation in children,[6][7] eradication of H. pylori infection and reduction of side effects from standard H. pylori treatment,[8][9][10] amelioration of gingivitis,[11][12] and general illness prevention in children[13] and adults.[14]


He believed that there were more than one reason why newborn chickens were picking up and eating the faeces from their mothers and that this had to do with transfer of important microorganisms, from the mother to the sterile newborn bird. He was sure that the same situation was true for humans.[15] It is generally accepted that newborn babies are sterile at birth and very sensitive to bad bacteria before they establish a microbial flora of their own.[16] This flora should preferably come from their mother. Ivan was quite sure about that Lactobacillus reuteri was one of these bacteria that the mother should transfer to her offspring, whether a chicken, a human baby or any other mammal.

Ivan analysed breast milk from many mothers in the USA where he lived and also from South American mothers in Lima, Peru, without finding any L. reuteri. However, he was still convinced that L. reuteri should be found in breast milk if Mother Nature was to decide.[17]

Ivan had family in Peru and whilst he was there for vacation, he took some days to travel to the Andes and visit several Indian villages. He then went to the university laboratory in Lima and presented some samples of breast milk. They all contained numerous strains of L. reuteri, which were subsequently isolated.[18]

One of these strains is still used in BioGaia’s probiotic products all over the world.[19]


  1. Reid, G (1999). "The scientific basis for probiotic strains of Lactobacillus". Applied and Environmental Microbiology 65 (9): 3763–6. PMID 10473372. 
  2. Klein, K; Stevens, R (2008). "The clinical use of probiotics for young children". The Journal of Family Health Care 18 (2): 66–8. PMID 18512639. [unreliable medical source?]
  3. Guandalini, S (2011). "Probiotics for prevention and treatment of diarrhea". Journal of Clinical Gastroenterology 45 Suppl: S149–53. doi:10.1097/MCG.0b013e3182257e98. PMID 21992955. [unreliable medical source?]
  4. Savino, F.; Pelle, E.; Palumeri, E.; Oggero, R.; Miniero, R. (2007). "Lactobacillus reuteri (American Type Culture Collection Strain 55730) Versus Simethicone in the Treatment of Infantile Colic: A Prospective Randomized Study". Pediatrics 119 (1): 124–30. doi:10.1542/peds.2006-1222. PMID 17200238. 
  5. Savino, F.; Cordisco, L.; Tarasco, V.; Palumeri, E.; Calabrese, R.; Oggero, R.; Roos, S.; Matteuzzi, D. (2010). "Lactobacillus reuteri DSM 17938 in Infantile Colic: A Randomized, Double-Blind, Placebo-Controlled Trial". Pediatrics 126 (3): e526–33. doi:10.1542/peds.2010-0433. PMID 20713478. [unreliable medical source?]
  6. Ruiz-Palacios, Guillermo; Guerrero, M. Lourdes; Hilty, Milo; Dohnalek, Margaret; Newton, Pamela; Calva, Juan J.; Costigan, Tim; Tuz, Fernando et al. (1996). "Feeding of A Probiotic for the Prevention of Community-Acquired Diarrhea in Young Mexican Children". Pediatric Research 39 (4): 184. doi:10.1203/00006450-199604001-01111. [unreliable medical source?]
  7. Shornikova, Aino-Vieno; Casas, Ivan A.; Mykkänen, Hannu; Salo, Eeva; Vesikari, Timo (1997). "Bacteriotherapy with Lactobacillus reuteri in rotavirus gastroenteritis". The Pediatric Infectious Disease Journal 16 (12): 1103–7. doi:10.1097/00006454-199712000-00002. PMID 9427453. [unreliable medical source?]
  8. Francavilla, R; Lionetti, E; Castellaneta, SP; Magistà, AM; Maurogiovanni, G; Bucci, N; De Canio, A; Indrio, F et al. (2008). "Inhibition of Helicobacter pylori infection in humans by Lactobacillus reuteri ATCC 55730 and effect on eradication therapy: A pilot study". Helicobacter 13 (2): 127–34. doi:10.1111/j.1523-5378.2008.00593.x. PMID 18321302. 
  9. Lionetti, E; Miniello, VL; Castellaneta, SP; Magistá, AM; De Canio, A; Maurogiovanni, G; Ierardi, E; Cavallo, L et al. (2006). "Lactobacillus reuteri therapy to reduce side-effects during anti-Helicobacter pylori treatment in children: A randomized placebo controlled trial". Alimentary Pharmacology & Therapeutics 24 (10): 1461–8. doi:10.1111/j.1365-2036.2006.03145.x. PMID 17032283. [unreliable medical source?]
  10. Imase, K; Tanaka, A; Tokunaga, K; Sugano, H; Ishida, H; Takahashi, S (2007). "Lactobacillus reuteri tablets suppress Helicobacter pylori infection--a double-blind randomised placebo-controlled cross-over clinical study". Kansenshogaku Zasshi 81 (4): 387–93. doi:10.11150/kansenshogakuzasshi1970.81.387. PMID 17695792. 
  11. Vivekananda, MR; Vandana, KL; Bhat, KG (2010). "Effect of the probiotic Lactobacilli reuteri (Prodentis) in the management of periodontal disease: A preliminary randomized clinical trial". Journal of Oral Microbiology 2: 5344. doi:10.3402/jom.v2i0.5344. PMID 21523225. [unreliable medical source?]
  12. Krasse, P; Carlsson, B; Dahl, C; Paulsson, A; Nilsson, A; Sinkiewicz, G (2006). "Decreased gum bleeding and reduced gingivitis by the probiotic Lactobacillus reuteri". Swedish Dental Journal 30 (2): 55–60. PMID 16878680. [unreliable medical source?]
  13. Weizman, Z; Asli, G; Alsheikh, A (2005). "Effect of a probiotic infant formula on infections in child care centers: Comparison of two probiotic agents". Pediatrics 115 (1): 5–9. doi:10.1542/peds.2004-1815. PMID 15629974. [unreliable medical source?]
  14. Tubelius, P; Stan, V; Zachrisson, A (2005). "Increasing work-place healthiness with the probiotic Lactobacillus reuteri: A randomised, double-blind placebo-controlled study". Environmental Health 4: 25. doi:10.1186/1476-069X-4-25. PMID 16274475. [unreliable medical source?]
  15. Ivan a. Casas, Walter j. Dobrogosz (2000). "Validation of the Probiotic Concept:Lactobacillus reuteriConfers Broad-spectrum Protection against Disease in Humans and Animals". Microbial Ecology in Health and Disease 12 (4): 247–85. doi:10.1080/08910600050216246-1. [unreliable medical source?]
  16. Fanaro, S; Chierici, R; Guerrini, P; Vigi, V (2003). "Intestinal microflora in early infancy: Composition and development". Acta Paediatrica 91 (441): 48–55. doi:10.1111/j.1651-2227.2003.tb00646.x. PMID 14599042. [unreliable medical source?]
  17. Sinkiewicz, Gabriela; Ljunggren, Lennart (2008). "Occurrence ofLactobacillus reuteriin human breast milk". Microbial Ecology in Health and Disease 20 (3): 122–126. doi:10.1080/08910600802341007. [unreliable medical source?]
  18. Talarico, TL; Casas, IA; Chung, TC; Dobrogosz, WJ (1988). "Production and isolation of reuterin, a growth inhibitor produced by Lactobacillus reuteri". Antimicrobial Agents and Chemotherapy 32 (12): 1854–8. doi:10.1128/aac.32.12.1854. PMID 3245697. [unreliable medical source?]
  19. "Biogaia Probiotics - BioGaia's history" (in en-US). 

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