Snapshot: Different Probiotic Species and Strains

April 22, 2013
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As a follow up to our post on how to choose a probiotic, here’s a snapshot look at different probiotic strains, when they’re useful and where to find them.

Probiotic species & strains  Health benefits Where you’ll find it

B. longum

 

The most significant and important probiotics in the body, and among the first to colonize in the sterile GI tract of a newborn infant (also found in human breast milk). Stimulates the immune response and promotes microbial balance by crowding out bad bacteria that cause discomfort and neutralizing everyday toxins in the gut. Aids production and absorption of B vitamins, blocks harmful invaders, boosts the immune system and helps maintain regularity. Helps break down carbs without producing excess gas. May help to prevent or minimize various allergies or allergic reactions, inflammation associated with Crohn’s disease, or colitis.May have positive impact on cholesterol levels.

Lowers the pH of the intestine/vagina to inhibit the growth of harmful bacteria.

 

 

L. acidophilus

Most commonly used probiotic.Lives in the mouth, intestines (maintains integrity of the wall of the small intestine, aiding nutrient absorption and supporting immunity) and vagina (adheres to the walls of the vagina and urinary system where it can fight infection). Helps to synthesize vitamin K and many antimicrobial substances, giving it antibiotic properties.

 

L. rhamnosus GG

One of the most effective strains for combating antibiotic-associated diarrhea and traveler’s diarrhea. Lives in the intestines, and fights infections both in the gut and urinary tract. Assists in dairy digestion and lactose intolerance.

L. plantarum 299V

Reduces pain, bloating and improves constipation in Irritable Bowel Syndrome. Helps with antibiotic-associated diarrhea.
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S. boulardii

A probiotic yeast resistant to stomach acids and antibiotics. Effective against reducing acute diarrhea in children and adults. Protects against both antibiotic and travelers’ induced diarrhea. Promotes immune and digestive health.

B. infantis

Excellent for both children and adults, B. infantis is one of the first colonize in the newborn’s digestive tract. Helps to impede the growth of harmful bacteria.Excellent producer of B vitamins. Offers good results with IBS (bloating, gas, diarrhea, constipation, urgency and abdominal discomfort), IBD, ulcerative colitis and traveler’s diarrhea.

L. casei

 

 

 

 

Helps control diarrhea, has potential anti-inflammatory effects on the GI and aids in relieving antibiotic-associated diarrhea. Produces lactic acid to lower the pH of the gut, impeding the growth of harmful bacteria. Lives in the mouth and intestines of both infants and adults.

L. reuteri

 

 

Provides strong protection against infection and helps maintain a healthy immune system. Treats and prevents diarrhea. Helps relieve colic. Releases a substance capable of killing bacteria, yeast and fungi, making it popular for vaginal infection support against candida, UTIs.

 

S. thermophilus

 

One of the most useful strains in the commercial food industry. True starter strain for making yogurt (used in making cheeses too). Ferments milk sugar (lactose) that turns into lactic acid, which is effective at preventing lactose intolerance and also lowers the pH of the yogurt preventing the growth of harmful bacteria causing food poisoning. Keeps microflora of intestines balanced.May have benefits for chemotherapy patients.

B. breve

Unique in its ability to compete against harmful bacteria due to the large variety of molecules it can digest (including plant fibers otherwise thought non-digestible). Inhibits E. coli. Present in the intestines and the vagina (inhibits growth of candida albicans, the primary cause of yeast infections). Decreases occurrence of gas, diarrhea and bowel irritations.

L. helveticus

Exerts antimicrobial activities against pathogens, helps reduce symptoms of lactose intolerance by breaking down lactose, helps to prevent and reduce diarrhea, may have implications on lowering cholesterol and blood pressure as well as help with calcium absorption. Lives in the intestines.

 

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