Best Probiotic Klaire Labs

Peter | 27-12-2025

With numerous Best Probiotic Klaire Labs brands to select from – including big names like SFI Health – picking the right product can feel overwhelming. But we’re here to simplify your search for the perfect Best Probiotic Klaire Labs.

We thoroughly tested and evaluated a wide range of top Best Probiotic Klaire Labs contenders to help you navigate the crowded market. Our stand-out favorite is SFI Health Best Probiotic Klaire Labs for its unparalleled quality and top-tier features. Below you’ll discover more of our top-rated Best Probiotic Klaire Labs picks currently available.

Make sure to consult our buying guide too for valuable insights on choosing the ideal product for your needs. It covers all the key factors when shopping for a Best Probiotic Klaire Labs. With our research backing your decision, you can confidently invest in a Best Probiotic Klaire Labs you’ll truly love.

Editor's Choice
SFI Health Klaire Labs Ther-Biotic Saccharomyces Boulardii Probiotics for Women & Men - S Boulardii
SFI Health Klaire Labs Ther-Biotic Saccharomyces Boulardii Probiotics for Women & Men - S Boulardii
Premium Pick
Klaire Labs SFI Health Ther-Biotic Complete - Hypoallergenic Probiotics for Women & Men -
Klaire Labs SFI Health Ther-Biotic Complete - Hypoallergenic Probiotics for Women & Men -
Budget Pick
Klaire Labs SFI Health Ther-Biotic Synbiotic Prebiotics & Probiotics for Women & Men - Daily
Klaire Labs SFI Health Ther-Biotic Synbiotic Prebiotics & Probiotics for Women & Men - Daily

Top 10 Best Probiotic Klaire Labs

We researched and compared the top products in the Best Probiotic Klaire Labs category to provide you with these recommendations.

1. SFI Health Klaire Labs Ther-Biotic Saccharomyces Boulardii Probiotics for Women & Men - S Boulardii

SFI Health Klaire Labs Ther-Biotic Saccharomyces Boulardii Probiotics for Women & Men - S Boulardii
9.8

Sfi Health

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  • Comprehensive Digestive & Immune Support - Saccharomyces boulardii is a unique probiotic yeast that promotes digestive balance, enhances bowel function, and helps stimulate the immune system.*
  • Hearty, Acid-Resistant Strains - The S boulardii probiotic is an acid-resistant, temperature-tolerant organism unaffected by antibiotics and distinct from brewers yeast or Candida species, making it a reliable option for digestive support during times of microbial disruption.*
  • Supports Healthy Bowel Transit Clinical studies show S. boulardii contributes to healthy intestinal function and promotes optimal bowel regularity by improving transit time and encouraging the production of nourishing short-chain fatty acids.*
  • Intestinal & Immune Support - Saccharomyces boulardii probiotics can help enhance intestinal immunity by increasing secretory IgA levels and stimulating crypt cell immunoglobulin receptors, meaning they can help reinforce the bodys natural defenses at the gut level.*
  • Klaire Labs is Now SFI Health - Klaire Labs has been part of the SFI Health family for many years leading the way in efficacy, safety, quality, and trusted by healthcare practitioners. While we might be changing the way things look, rest assured that our formulations and probiotics for digestive health remain the same.

2. Klaire Labs SFI Health Ther-Biotic Complete - Hypoallergenic Probiotics for Women & Men -

Klaire Labs SFI Health Ther-Biotic Complete - Hypoallergenic Probiotics for Women & Men -
9.5

Sfi Health

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  • Comprehensive Gut and Immune Support - Ther-Biotic Complete features a broad-spectrum blend of 12 probiotics for digestive health and immune support. This hypoallergenic formula can help encourage a balanced intestinal microbiome.*
  • Innovative Delivery - This probiotic supplement uses our proprietary InTactic delivery technology to shield beneficial microorganisms from stomach acid so they can safely reach the intestines. A base of inulin also helps enhance their digestive function.*
  • High Potency Formulas - We designed these probiotics for women and men who want to encourage a healthy balance of beneficial gut flora. They're available in 25 billion CFU capsules, or as a 100 billion CFU powder for easy mixing.
  • Hypoallergenic and Science-Backed Free from common allergens, our formula is designed for sensitive individuals. These mens and womens probiotics include Lactobacillus, Bifidobacterium, and Streptococcus thermophilus for well-rounded support.
  • Klaire Labs is Now SFI Health - Klaire Labs has been part of the SFI Health family for many years leading the way in efficacy, safety, quality, and trusted by healthcare practitioners. While we might be changing the way things look, rest assured that our formulations and probiotics for gut health remain the same.

3. Klaire Labs SFI Health Ther-Biotic Synbiotic Prebiotics & Probiotics for Women & Men - Daily

Klaire Labs SFI Health Ther-Biotic Synbiotic Prebiotics & Probiotics for Women & Men - Daily
9.1

Sfi Health

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  • 50 Billion CFU Probiotic Capsule Combines seven clinically studied probiotic strains with Sunfiber, to synergistically tap the benefits of pre and probiotics for women and men. Use to support digestive regularity, immune balance, and respiratory function.*
  • Low FODMAP Certified Prebiotic - Sunfiber is a gentle, partially hydrolyzed guar gum prebiotic that undergoes medium fermentation. It can support digestive health by feeding beneficial flora without triggering excess gas, bloating or GI discomfort.*
  • Supports Gut-Immune-Respiratory Axis - The synbiotic formula enhances GI barrier health and promotes healthy flora, which plays a key role in metabolic gut health, immune response, and neurobehavioral balance.
  • Shelf-Stable Synbiotic for Home or Travel - Stable at room temperature (59-85F), these daily pre and probiotic capsules don't require refrigeration. Offered in both 30- and 60-capsule formats to support short-term gut support or continuous microbiome maintenance.*
  • Klaire Labs is Now SFI Health - Klaire Labs has been part of the SFI Health family for many years leading the way in efficacy, safety, quality, and trusted by healthcare practitioners. While we might be changing the way things look, rest assured that our formulations and probiotics for gut health remain the same.

4. Klaire Labs SFI Health Ther-Biotic Complete - Hypoallergenic Probiotics for Women & Men -

Klaire Labs SFI Health Ther-Biotic Complete - Hypoallergenic Probiotics for Women & Men -
8.9

Sfi Health

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  • Comprehensive Gut and Immune Support - Ther-Biotic Complete features a broad-spectrum blend of 12 probiotics for digestive health and immune support. This hypoallergenic formula can help encourage a balanced intestinal microbiome.*
  • Innovative Delivery - This probiotic supplement uses our proprietary InTactic delivery technology to shield beneficial microorganisms from stomach acid so they can safely reach the intestines. A base of inulin also helps enhance their digestive function.*
  • High Potency Formulas - We designed these probiotics for women and men who want to encourage a healthy balance of beneficial gut flora. They're available in 25 billion CFU capsules, or as a 100 billion CFU powder for easy mixing.
  • Hypoallergenic and Science-Backed Free from common allergens, our formula is designed for sensitive individuals. These mens and womens probiotics include Lactobacillus, Bifidobacterium, and Streptococcus thermophilus for well-rounded support.
  • Klaire Labs is Now SFI Health - Klaire Labs has been part of the SFI Health family for many years leading the way in efficacy, safety, quality, and trusted by healthcare practitioners. While we might be changing the way things look, rest assured that our formulations and probiotics for gut health remain the same.

5. Klaire Labs SFI Health Ther-Biotic Complete - Hypoallergenic Probiotics for Women & Men -

Klaire Labs SFI Health Ther-Biotic Complete - Hypoallergenic Probiotics for Women & Men -
8.7

Sfi Health

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  • Comprehensive Gut and Immune Support - Ther-Biotic Complete features a broad-spectrum blend of 12 probiotics for digestive health and immune support. This hypoallergenic formula can help encourage a balanced intestinal microbiome.*
  • Innovative Delivery - This probiotic supplement uses our proprietary InTactic delivery technology to shield beneficial microorganisms from stomach acid so they can safely reach the intestines. A base of inulin also helps enhance their digestive function.*
  • High Potency Formulas - We designed these probiotics for women and men who want to encourage a healthy balance of beneficial gut flora. They're available in 25 billion CFU capsules, or as a 100 billion CFU powder for easy mixing.
  • Hypoallergenic and Science-Backed Free from common allergens, our formula is designed for sensitive individuals. These mens and womens probiotics include Lactobacillus, Bifidobacterium, and Streptococcus thermophilus for well-rounded support.
  • Klaire Labs is Now SFI Health - Klaire Labs has been part of the SFI Health family for many years leading the way in efficacy, safety, quality, and trusted by healthcare practitioners. While we might be changing the way things look, rest assured that our formulations and probiotics for gut health remain the same.

6. Klaire Labs SFI Health Ther-Biotic Baby - Toddler Probiotic for Kids, Infants & Babies - Microbiome

Klaire Labs SFI Health Ther-Biotic Baby - Toddler Probiotic for Kids, Infants & Babies - Microbiome
8.5

Sfi Health

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  • Probiotic Support for Infants - Ther-Biotic Baby is a kids probiotic powder that can help support the developing microbiome of infants and young children. The 10-species probiotic blend is designed to gently offer metabolic, intestinal, and immune support.*
  • 5 Billion CFU per Scoop - This baby probiotic supplement contains five Lactobacillus and five Bifidobacterium species. It can help promote normal metabolic, intestinal, and immune health and support a healthy, diverse gut microbiome.*
  • Helps Ease Occasional Fussiness and Gassiness - This toddler probiotic may be able to offer some kids constipation relief and is designed to help ease occasional fussiness and gassiness while promoting bowel regularity. Normal infant microbiota can easily be disrupted by factors like delivery, diet and medication.*
  • Easy to Mix - This hypoallergenic infant probiotic for kids, toddlers and babies can be mixed with expressed breast milk, baby formula or solid food (at room temperature) without altering its taste or texture.
  • Klaire Labs is Now SFI Health - Klaire Labs has been part of the SFI Health family for many years leading the way in efficacy, safety, quality, and trusted by healthcare practitioners. While we might be changing the way things look, rest assured that our formulations and infant / toddler probiotic lines remain the same.

7. Klaire Labs SFI Health Ther-Biotic Complete Probiotic Powder - 100 Billion CFU - Men's and Women's

Klaire Labs SFI Health Ther-Biotic Complete Probiotic Powder - 100 Billion CFU - Men's and Women's
8.3

Sfi Health

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  • Active, High Strength, and Hypoallergenic - This men's and women's probiotic powder features a maximum support blend of twelve safe, complementary and well-studied species to support optimal gut flora, immune & GI health. Hypoallergenic 100 billion CFU in a base of chicory-derived prebiotic inulin.*
  • Probiotic Survival Without Extra Additives - Ther-Biotic delivers probiotics for digestive health support without additive-packed spheres or tablets. Advanced InTactic technology helps live probiotics reach the small intestine and colon. There, they can help initiate activity against undesirable flora, and offer support for intestinal barrier integrity.*
  • Protection from Stomach Acid - On exposure to stomach acid, an InTactic 'shield' forms a gel-like matrix surrounding the probiotic complex, protecting it from damage. On passage into the duodenum, InTactic is designed to break down and release live microorganisms for optimal efficacy.*
  • Diverse Strains, Diverse Benefits - Stir this probiotic supplement into water, or a smoothie mix to make their own probiotic drink. Each species in the formula offers unique functions and, when combined, synergistic nutritional support for both the small and large intestines and immune system.*
  • Klaire Labs is Now SFI Health - Klaire Labs has been part of the SFI Health family for many years leading the way in efficacy, safety, quality, and trusted by healthcare practitioners. While we might be changing the way things look, rest assured that our formulations and probiotic nutritional supplements are still committed to supporting normal gut health for women and men.*

8. SFI Health Klaire Labs Saccharomyces Boulardii Probiotic - Acid Resistant & Shelf-Stable Supplement

SFI Health Klaire Labs Saccharomyces Boulardii Probiotic - Acid Resistant & Shelf-Stable Supplement
8

Sfi Health

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  • A powerful yeast probiotic supplied in a based of plant cellulose.
  • American Type Culture Collection (ATCC) certified and freeze-dried to maintain maximum strength and viability.*
  • This hardy species is acid-resistant and temperature tolerant.
  • Hypoallergenic* product free of the following common allergens: milk/casein, eggs, fish, shellfish, tree nuts, peanuts, wheat, gluten, and soybeans. Contains no artificial colors, flavors, or preservatives.
  • Trusted by healthcare practitioners since 1969, Klaire Labs products are developed closely with physicians and are intended to be used as directed by a healthcare practitioner.

9. Klaire Labs SFI Health Ther-Biotic Women's - Vaginal Probiotics for Women - Support Healthy Acidic

Klaire Labs SFI Health Ther-Biotic Women's - Vaginal Probiotics for Women - Support Healthy Acidic
7.9

Sfi Health

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  • Balanced Gut & Vaginal Microbiomes for All - High powered probiotics for women to promote normal vaginal health and comfort. Ther-Biotic for Women leverages the power of probiotic diversity and is designed to adapt to each woman's unique vaginal and urinary microbiome.*
  • 10 Probiotic Species, 25B CFU - These broad-spectrum vaginal probiotics feature 10 clinically studied Lactobacillus and Bifidobacterium species. The 25 billion CFU blend is concentrated with Lactobacilli, secreted biosurfactants and lactic acid to promote women's health and balance.*
  • Comfort, Replenish, Balance - This range of probiotic species can help promote a healthy bacterial, yeast and vaginal pH balance. It can also help support a normal mucosal immune response and may support vaginal odor reduction.*
  • Hypoallergenic and Non-GMO - This Bifidobacterium and lactobacillus probiotic for women is free of the following common allergens: milk/casein, eggs, fish, shellfish, tree nuts, peanuts, wheat, gluten, and soybeans. It also contains no artificial colors, flavors or preservatives.*
  • Klaire Labs is Now SFI Health - Klaire Labs has been part of the SFI Health family for many years leading the way in efficacy, safety, quality, and trusted by healthcare practitioners. While we might be changing the way things look, rest assured that our formulations and women's probiotic lines remain the same.

10. SFI Health Klaire Labs Ther-Biotic Vital 10 - Multistrain Probiotic with Lactobacillus,

SFI Health Klaire Labs Ther-Biotic Vital 10 - Multistrain Probiotic with Lactobacillus,
7.7

Sfi Health

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  • 10-Strain Probiotic Blend - This scientifically balanced, multistrain probiotic formula combines colonizing and transient species to support long-term gut health and a balanced microbiome.*
  • Dual-Action Gut & Immune Support - Ther-Biotic Vital 10 is a hypoallergenic, proprietary blend of 10 probiotic species specifically developed to support healthy intestinal and systemic immune function. Includes popular microbiome probiotic strains like lactobacillus and bifidobacterium.*
  • Nutrient Absorption & Vitamin Synthesis - In addition to supporting digestive health, these probiotics can also enhances uptake of essential nutrients while helping synthesize B vitamins and vitamin K.*
  • Clinically Curated Strain Selection - Ther-Biotic Vital 10 supplies beneficial probiotics often not present in modern, highly processed foods along with rare indigenous strains that decline with age and stress, and two transient yogurt starter species with long histories of health benefits.*
  • Klaire Labs is Now SFI Health - Klaire Labs has been part of the SFI Health family for many years leading the way in efficacy, safety, quality, and trusted by healthcare practitioners. While we might be changing the way things look, rest assured that our probiotics for women and men remain the same.

Peter

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