SFI Health Probiotic Solutions (formerly known as Klaire Labs)
SFI Health (formerly known as Klaire labs) probiotic supplements are increasingly chosen by individuals seeking scientifically grounded ways to support gut and microbial health. Known for their focus on clinically researched strains, SFI Health offers formulations containing well-studied genera such as Lactobacillus and Bifidobacterium. These microorganisms play an important role in maintaining microbial balance within the digestive tract. With rigorous quality standards and strain-specific formulations, this probiotic range, including products such as labs Ther-Biotic® Complete and other Ther-Biotic formulations, is designed to support digestive and immune function as part of a broader, lifestyle-based approach to wellbeing.
What Makes SFI Health Stand Out
Four pillars that separate SFI Health from mass-market probiotic options.
InTactic® Acid-Stable Technology:
A delivery system designed to help protect probiotic strains from stomach acid and bile, supporting their survival through the digestive tract.
Clinically Researched Strains:
Strain-specific formulations containing well-studied genera such as Lactobacillus and Bifidobacterium, designed to support digestive and immune function.
GMP-Compliant Quality Standards:
Produced under a strict quality management system in compliance with Good Manufacturing Practices and third-party quality certifications. Independent lab analysis for probiotic potency.
US-Manufactured, Hypoallergenic:
Made in a Nevada, USA manufacturing plant with enhanced Quality Controls. SFI Health specialises in hypoallergenic, high-quality, scientifically validated nutritional supplements.
Your Complete Report
Who Might Benefit from SFI Health Probiotic
SFI Health probiotics, including formulations such as Ther-Biotic® Complete, may be considered by people looking to support digestive comfort, microbial balance, or immune resilience, particularly during periods of increased physiological demand. This includes:
Our SFI Health Supplement Offerings
Featured SFI Health Products
Explore our most recommended Ther-Biotic® formulations, available directly from our health store.

DURING ANTIBIOTIC USE
THER-BIOTIC™ Antibiotic BioRenew
THER-BIOTIC™ Antibiotic BioRenew is an evidence-based probiotic formula that helps to restore intestinal flora during the use of antibiotics. It contains specific beneficial probiotic strains that have been clinically researched to support the gut while taking antibiotics and maintain healthy immune function.1-9

DAILY GUT SUPPORT
Ther-Biotic® Complete
Ther-Biotic® Complete is a robust, broad-spectrum, hypoallergenic blend of 12 probiotic species in a base of inulin. Designed to supply a complete component of synergistic and complementary species, each capsule provides 25 billion CFU protected by our proprietary InTactic® technology for maximum viability throughout the intestinal tract.
Why Consider NutraNourish for SFI Health Probiotics
NutraNourish is a trusted provider of SFI Health supplements in Singapore, offering access to practitioner-grade formulations including Ther-Biotic® Complete and other SFI Health probiotics.
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- Practitioner-Grade Formulations: Selected for their quality and clinically researched strains.
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- Transparent Sourcing: Transparent sourcing and evidence-informed product design
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- Educational Guidance: Educational guidance to support informed decision-making
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- Personalised, Not Generic: Tailored to individual needs, lifestyle factors, and health goals rather than generic solutions
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- Long-Term Health Focus: Suited to individuals managing long-term health considerations
What Our Customers Say
Posted on Google Shivangini09 RichardsTrustindex verifies that the original source of the review is Google. Dr Menka is an excellent Gut health and longevity expert.She was very thorough with her assessment of the problem I was facing and prepared a detailed customised plan specific to my health condition and treated the diseases from the root cause ..Absolutely recommended.Thanks Doctor for all your help and support.Posted on Google dairhTrustindex verifies that the original source of the review is Google. Before meeting Dr. Menka, I had consulted numerous specialists from different disciplines in an effort to understand and treat my condition. Over the years, I underwent various tests, received different diagnoses, and was prescribed multiple medications, yet I always felt that the underlying cause of my health issues was never thoroughly investigated. The focus often seemed to be on suppressing the symptoms rather than understanding why they were occurring in the first place. As my symptoms persisted, I became increasingly discouraged and started to lose hope that I would ever find real answers or achieve lasting recovery. Meeting Dr. Menka completely changed my experience. Unlike many healthcare professionals I had been to, she took a comprehensive and holistic approach to my case. She carefully reviewed my medical history, previous investigations, symptoms, medications, lifestyle factors, dietary habits, stress levels, sleep patterns, and overall well-being. Rather than looking at each symptom in isolation, she worked to understand how everything was interconnected. Her treatment plan for me were practical and focused not only on the now but also on long-term health improvement and prevention. Today, I am feeling significantly better than I ever imagined possible before meeting her.Posted on Google Arpit GuptaTrustindex verifies that the original source of the review is Google. We are in the early stages of treatment with Dr Menka but we feel very reassured so far. She has been patient, thorough, and thoughtful in her approach. The testing was detailed, the plan looks promising, and we are are looking up to her as we continue the journey under her leadership.Posted on Google Carol fernandezTrustindex verifies that the original source of the review is Google. Highly recommend Dr Gupta! Over the last six months of working together, she has helped me achieve substantial progress in my health journey. I highly recommend her to anyone looking for a functional health practitioner.Posted on Google Prabakar SelvamTrustindex verifies that the original source of the review is Google. I have tried several treatments but functional medicine with Dr Menka and I think this is the best for GUT related issues.Posted on Google Priyanka KarthiTrustindex verifies that the original source of the review is Google. I want to thank Dr. Menka Gupta. I was suffering from some health problems and felt very scared, but after seeing her, my condition has been slowly improving. Thank you, doctor!Posted on Google Rajesh HathiramaniTrustindex verifies that the original source of the review is Google. Dr. Menka is extremely knowledgeable and helped resolve my issues.Posted on Google nitesh sharmaTrustindex verifies that the original source of the review is Google. Dr. Menka Gupta is the most competent functional medicine practitioners in Singapore, uniquely combining conventional medical training with deep functional medicine expertise — a combination that is still relatively rare globally. I initially consulted her for multiple interconnected issues: gut dysbiosis, chronic anxiety, fatty liver, and unexplained weight gain resistant to standard interventions. Rather than taking a symptomatic approach, she recommended a set of advanced functional diagnostics, including comprehensive stool analysis to assess gut microbiota composition (beneficial vs pathogenic bacteria), as well as specialized testing for neurotransmitter pathways and metabolic imbalances. These investigations identified disruptions in serotonin synthesis and conversion pathways, along with broader gut-liver axis dysfunction. Based on these findings, she designed a structured, four-phase gut restoration protocol (typically involving remove, replace, reinoculate, and repair phases), along with targeted nutraceutical and lifestyle interventions to support liver function, hormonal balance, and metabolic health. The outcomes have been significant: • Marked improvement in energy levels and cognitive clarity • Substantial reduction in stress reactivity and anxiety symptoms • Improved hormonal regulation • ~8 kg weight loss over 6 months, achieved sustainably • Overall enhancement in day-to-day performance (including the ability to handle long work hours without burnout) What stands out is her root-cause, systems-based approach, rather than a superficial or symptomatic treatment model. That said, this process requires patient accountability and consistency — the results are directly proportional to how well one adheres to the protocol. I’m genuinely grateful to Dr. Menka Gupta for the measurable and lasting impact she has had on my health and overall quality of life.Showing our latest reviews
Frequently Asked Questions (FAQ)
Which SFI Health probiotic is best for daily gut support?
SFI Health Ther-Biotic® Complete is commonly selected for daily use due to its broad, multi-strain formulation. It is often considered by adults seeking general support for microbial balance as part of a long-term wellbeing approach.
What is the recommended dosage for Ther-Biotic® Complete?
Dosage varies depending on individual needs and health context, but one capsule daily is commonly used. A healthcare professional may advise adjustments based on clinical history or specific goals.
Should I take SFI Health probiotics with food or on an empty stomach?
Many SFI Health probiotics can be taken with food to help buffer the stomach acids.
Can I take this probiotic while I’m on antibiotics?
Yes, certain products, such as THER-BIOTIC® Antibiotic BioRenew, are formulated to be taken alongside antibiotics. They are designed to help support gut flora balance during periods of antibiotic use.
Do SFI Health probiotics need to be refrigerated?
Some formulations benefit from refrigeration to maintain potency, while others, such as Femme Flora, are shelf-stable when stored below 28 °C. Always follow the storage instructions on the product label.
Can probiotics cause bloating or changes in stool at the beginning?
Some people notice mild, temporary changes such as bloating or altered bowel habits when starting probiotics. These effects often settle as the gut microbiome adjusts.
Are SFI Health Ther-Biotic formulas dairy-free?
Yes, SFI Health Ther-Biotic formulations are generally dairy-free. This makes them suitable for individuals with lactose intolerance or dairy sensitivities, though label checks are always recommended.
Ready to support your gut with practitioner-grade probiotics?
Browse the full SFI Health range at the NutraNourish Health Store, or book a personalised supplement consultation with Dr. Menka Gupta to find the right Ther-Biotic® formulation for your needs.
