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health guides

Picking the Best Probiotic

Optimize Your Digestive Health
By
Victoria Dolby Toews, MPH
Picking the Best Probiotic: Main Image
'Prebiotics' provide the right food for probiotic bacteria to thrive

Related Topics

  1. Digestive Health Center
  2. Yummy Recipes with Yoghurt
  3. Probiotics

Think you might want to swallow live bugs? No, it’s not a reality show stunt, it’s actually something you might want to do if you have digestive problems, such as lactose intolerance or diarrhoea after using antibiotics. These “good bugs” are probiotic bacteria—also known as beneficial bacteria—that live in your gut and contribute to your everyday health and well-being.

SUPPLEMENT: Fructo-oligosaccharides (FOS)

  • USED FOR: Indigestion and prevention of eczema
  • ACTION: A “prebiotic,” which is a source of food for friendly bacteria in the gut
  • HOW TO TAKE: 2,000 to 3,000 mg per day with meals, reduce dosage if you experience gas

Love That Bug

Active-culture yoghurt provides probiotic bacteria, as does kefir (drinkable yoghurt), cottage cheese, and some milks; there are even snack bars on the market with probiotic bacteria. Probiotic dietary supplements are available as powder, capsules, tablets, chewables, gummies, and liquid.

Probiotic gummies are a great option for children. You can use these flavourful treats to add probiotics into your child’s daily routine, or to help her take probiotics after a bout of diarrhoea due to antibiotics or infection. Look for a product without artificial flavours, colours or preservatives, and no more than 4 grams of sugar per serving.

STRAIN: Bifidobacterium lactis
  • USED FOR: Diarrhoea (post-antibiotic and traveler’s)
  • ACTION: Restores gut microflora
  • HOW TO TAKE: 1 to 3 billion live organisms per day or follow label directions. Start before antibiotic use and continue afterwards for as many days as the antibiotics were used or start a few days before a trip and continue daily during travel.
STRAIN: Lactobacillus acidophilus
  • USED FOR: Strengthening immune system and fighting yeast infection
  • ACTION: Creates acidic environment to discourage growth of harmful microorganisms and produces natural antibiotics
  • HOW TO TAKE: 1 billion live organisms per day or follow label directions. Another yeast infection option: insert capsule as a vaginal suppository or apply active-culture yoghurt daily to the vagina for up to two weeks (and once a week for prevention).
STRAIN: Lactobacillus acidophilus CL 1285
  • USED FOR: General digestion aid
  • ACTION: Contributes healthy bacteria to the gut; inhibits reproduction of harmful bacteria
  • HOW TO TAKE: 1 billion live organisms per day or follow label directions.
STRAIN: Lactobacillus acidophilus DDS-1
  • USED FOR: Lactose intolerance
  • ACTION: Produces lactase to digest lactose (milk sugar)
  • HOW TO TAKE: 1 billion live organisms per day or follow label directions.
STRAIN: Lactobacillus casei
  • USED FOR: Diarrhoea (post-antibiotic and traveler’s)
  • ACTION: Replenishes healthy gut flora
  • HOW TO TAKE: 1 to 3 billion live organisms per day or follow label directions. Start before antibiotic use and continue afterwards for as many days as the antibiotics were used or start a few days before a trip and continue daily during travel.
STRAIN: Lactobacillus GG
  • USED FOR: Diarrhoea (infectious, post-antibiotic, and traveler’s), irritable bowel syndrome, strengthening immune system, and prevention of tooth decay
  • ACTION: Replenishes gut flora; blocks growth of harmful bacteria
  • HOW TO TAKE: 1 to 3 billion live organisms per day for adults or follow label directions; children age 6 to 12 can take one-half of the adult dose and for aged 6 years old, take one-fourth of the adult dose. Start before antibiotic use and continue afterwards for as many days as the antibiotics were used or start a few days before a trip and continue daily during travel.
STRAIN: Lactobacillus plantarum 299v
  • USED FOR: Irritable bowel syndrome or other digestive upset leading to pain, wind, bloating, and diarrhoea
  • ACTION: Balances gut flora and inhibits growth of unhealthy bacteria
  • HOW TO TAKE: 10 to 20 billion live organisms per day or follow label directions.
STRAIN: Lactobacillus reuteri
  • USED FOR: Diarrhoea (infectious)
  • ACTION: Produces natural antibiotic to inhibit growth of harmful bacteria
  • HOW TO TAKE: 1 billion live organisms per day or follow label directions.
STRAIN: Lactobacillus reuteri RC-14 and L. rhamnosus GR-1
  • USED FOR: Yeast infection (especially to prevent recurrence)
  • ACTION: Inhibits growth of harmful bacteria and yeast
  • HOW TO TAKE: 5 to 10 billion live organisms per day or follow label directions.
STRAIN: Saccharomyces boulardii
  • USED FOR: Diarrhoea (Crohn’s disease-related, post-antibiotic, and traveler’s)
  • ACTION: Promotes healthy gut flora
  • HOW TO TAKE: 5 to 10 billion live organisms one to four times a day.
STRAIN: Streptococcus thermophilus
  • USED FOR: Diarrhoea (infectious, post-antibiotic, and traveler’s)
  • ACTION: Restores gut flora and inhibits growth of harmful bacteria
  • HOW TO TAKE: 1 to 3 billion live organisms per day or follow label directions. Start before antibiotic use and continue afterwards for as many days as the antibiotics were used or start a few days before a trip and continue daily during travel.

Sources

Collado MC, Isolauri E, Salminen S, et al. The impact of probiotic on gut health. Curr Drug Metab 2009;10:68–78.

Heczko PB, Strus M, Kochan P. Critical evaluation of probiotic activity of lactic acid bacteria and their effects. J Physiol Pharm 2006;57:5–12.

Hickson M, D'Souza AL, Muthu N, et al. Use of probiotic Lactobacillus preparation to prevent diarrhoea associated with antibiotics: randomised double blind placebo controlled trial. BMJ 2007;335:80.

Victoria Dolby Toews, MPH, is a health journalist who has written or co-authored nine books. She always packs along probiotics when travelling.

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