SIBO Is One of the Most Underdiagnosed Gut Conditions in India. Most People Who Have It Have Never Heard of It.

The bloating that makes you look pregnant by evening, the gas, the unpredictable bowel habits, the food that never seems to agree with you, you've been told it's IBS or stress or a sensitive gut. It very likely isn't. SIBO has a root cause and root
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If You See Yourself Here, Don't Ignore It

SIBO doesn't look the same in every person. Symptoms depend on which bacteria are overgrown and where. But if several of these feel familiar, your body has been signalling something deeper for a long time.
Nutrient Depletion
Migraine
Memory
Math
Weight
Hypersensitive
Rash
Skin Disease
Heartburn
Insomnia
Healthcare
Smart Temperature

SIBO Isn't What You Think It Is

What is SIBO?
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Small Intestinal Bacterial Overgrowth is a condition in which bacteria that should be confined largely to the large intestine migrate into and colonise the small intestine in abnormally high numbers. The small intestine is designed for nutrient absorption, not bacterial fermentation. When bacteria take up residence there they ferment carbohydrates before they can be properly digested, producing hydrogen or methane gas that causes the characteristic bloating, distension, and discomfort associated with the condition. They also damage the intestinal lining, impair nutrient absorption, and produce toxic byproducts that affect the entire body well beyond the gut. SIBO is not a minor inconvenience. It is a significant disruption to the body's primary nutrient absorption organ.

What are the types of SIBO?
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SIBO presents in three main forms depending on which gases the overgrown bacteria produce. Hydrogen-dominant SIBO typically causes diarrhoea, bloating, and cramping. Methane-dominant SIBO technically now referred to as Intestinal Methanogen Overgrowth or IMO tends to cause constipation, bloating, and slower motility. Hydrogen sulphide SIBO is less commonly tested for but associated with diarrhoea, a sulphurous odour, and significant gut inflammation. Each type has different drivers and requires a different therapeutic approach which is why a single antibiotic course without identifying the type and underlying cause has such a high recurrence rate.

Why is it so commonly missed in India?
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SIBO is almost never tested for in standard gastroenterology practice in India. The breath test required for diagnosis is not part of routine investigation and awareness among clinicians is limited. The symptom picture involving bloating, altered bowel habits, and fatigue is almost universally attributed to IBS, stress, or dietary intolerance without any investigation into whether bacterial overgrowth is the underlying driver. Studies suggest SIBO is present in a significant proportion of people diagnosed with IBS, meaning a large number of people in India are being managed for the wrong condition entirely.

The key connection most doctors miss.
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SIBO is almost never the starting problem. It is the result of something that has compromised the small intestine's natural defence against bacterial overgrowth typically impaired gut motility, low stomach acid, a damaged ileocecal valve, or prior gut infection or antibiotic use. Treating SIBO with antibiotics without identifying and addressing these underlying drivers is why recurrence rates are so high. The bacteria return because the conditions that allowed them to colonise in the first place have never been corrected.

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The Difference Between Treating SIBO and Reversing It

CONVENTIONAL MEDICINE

  • Basic blood panel: LH, FSH, total testosterone 
  • Ultrasound to check for follicles 
  • Oral contraceptive pill to stimulate cycles
  • Metformin for insulin resistance 
  • Advice to lose weight and manage stress

FUNCTIONAL NUTRITION

  • Basic blood panel: LH, FSH, total testosterone 
  • Ultrasound to check for follicles 
  • Oral contraceptive pill to stimulate cycles
  • Metformin for insulin resistance 
  • Advice to lose weight and manage stress

SIBO Isn't One Problem. It's Multiple Root Causes Working Together.

Every one of these can be identified. Every one of them can be addressed. This is what your Root Cause Analysis will look for.
Nutrient Depletion
Migraine
Memory
Math
Weight
Hypersensitive
…and many more, because root causes don't stay static. They evolve with your lifestyle, stress, and environment over time.

Three steps to finally understanding your body

Book your Root Cause Analysis

Book your Root Cause Analysis

Pay ₹2,500 online. Your full-body blood panel is included, no hidden charges, no extras. Within the hour, our team reaches out to you personally.
Get your blood work done

Get your blood work done at Home

A phlebotomist visits your doorstep to collect blood samples. Within 4-5 working days your reports of 60+ markers will be emailed to you and then your functional nutritionist reviews them.
Sit down with your nutritionist

Sit down with your nutritionist

In a 30 minute call, your nutritionist explains your markers and shows you the real root causes behind your condition.

What Starts as SIBO Doesn't End There

Left unaddressed or managed only with repeated antibiotic courses, SIBO doesn't plateau. Its underlying drivers quietly progress and the consequences compound over time.
Now
Severe bloating, unpredictable bowel habits, food intolerances, and fatigue. Daily life is structured around managing symptoms that keep returning.
Next
Mucosal damage deepens. Nutrient malabsorption worsens affecting energy, immunity, hormonal health, and bone density. Food sensitivities multiply as intestinal permeability increases. Antibiotic courses become less effective with each recurrence.
Later
Higher risk of significant nutritional deficiencies including B12, iron, and fat soluble vitamins, progressive intestinal permeability driving systemic inflammation, autoimmune conditions, and increasingly treatment-resistant bacterial overgrowth.
SIBO is not a condition you outgrow. It is a condition that evolves in whichever direction you point it. The earlier the root cause is addressed, the wider your window for reversal.
The Results in Our SIBO Clients

76% of clients with SIBO reported measurable reduction in bloating, bowel irregularity, and fatigue within the first 60 days of their personalised protocol without requiring repeat antibiotic courses.

What Real SIBO Reversal Looks Like

Every person below had tried doctors, diets, and prescriptions. Nothing worked - until they understood why they were actually sick.
Lia Fernandes
Lia Fernandes
Hashimoto's / Thyroid
49
Mumbai
Aman Deshmukh
Aman Deshmukh
Weight Loss / Obesity
21
Mumbai
Gauri Nerlekar
Gauri Nerlekar
Insulin Resistance
39
Pune
Swarna Kamal
Swarna Kamal
Skin Conditions
21
Kolkata
Bhavika Bhanushali
Bhavika Bhanushali
Migraines
39
Mumbai
Sunil Kumavat
Sunil Kumavat
Acid Reflux / GERD
38
Goa
Prakarsh Bhat
Prakarsh Bhat
High Cholesterol
49
Pune
Maani Lal
Maani Lal
Anxiety & Depression
24
Lucknow
Imma Catherine
Imma Catherine
Hormonal Imbalance
46
Delhi
Siddharta Pandey
Siddharta Pandey
Autoimmune Conditions
39
Hyderabad
Vishesh Jain
Vishesh Jain
Chronic Fatigue
35
Ireland
Abhilasha Srivastava Jha
Abhilasha Srivastava Jha
IBS / Gut Issues
41
Mumbai
Sameer Deorukhkar
Sameer Deorukhkar
Type 2 Diabetes
53
Singapore
Surashree Rahane
Surashree Rahane
PCOS / PCOD
29
Pune
Aman Deshmukh
Aman Deshmukh
Weight Loss / Obesity
21
Mumbai

Before

At 21, Aman weighed 123 kg and was grossly overweight for his 6'1" frame. He was scared to look in the mirror, riddled with insecurities, and avoided the weighing scale entirely. Years of junk food cravings and an unhealthy lifestyle left him feeling stuck - convinced this was just who he was meant to be.

After

Aman lost 32 kg, dropping from 123 kg to 91 kg, and is still going. With the support of iThrive's personalised magnesium and nutrition protocol, his family, and a positive community, he overcame sugar cravings, rebalanced his electrolytes, and transformed his mindset - the scale that was once his enemy became his greatest motivator.
Swarna Kamal
Swarna Kamal
Skin Conditions
21
Kolkata

Before

Swarna, 21, arrived at iThrive with alopecia areata causing 30–40% hair loss, seborrhoeic dermatitis, severe brain fog, chronic bloating, insulin resistance, liver dysfunction, and systemic inflammation - all happening simultaneously in a young man who should have been at his healthiest.

After

The results spoke clearly - eyebrow regrowth where hair had been absent, psoriasis itching resolved, and the brain fog, bloating, and fatigue that had defined his daily life steadily clearing as his body finally got what it was missing.
Bhavika Bhanushali
Bhavika Bhanushali
Migraines
39
Mumbai

Before

Bhavika, 39, had suffered acidity-induced migraines since childhood, was pre-diabetic, breathless on exertion, battling high triglycerides, recurring kidney stones, and chronic fatigue - managing her symptoms with multiple medications but never addressing the root cause.

After

In 3 months, Bhavika lost 5.65 kg, dramatically improved her triglycerides and lipid markers, resolved insulin resistance and infection, restored thyroid health, and saw her migraines, acidity, cravings, and fatigue all reduce - confirmed by post-protocol blood tests.
Sunil Kumavat
Sunil Kumavat
Acid Reflux / GERD
38
Goa

Before

At 38, Sunil had persistent acidity, bloating, bitter taste, irregular digestion, pre-diabetes, and inflammation that wouldn't budge - even after antibiotics. He was a carpenter exposed to toxins daily, running on a body that had never fully healed from the inside.

After

Sunil lost 7.2 kg, achieved 60–80% resolution of gastric burning, acidity, and reflux, normalised his sleep, improved his lipid profile, and is now transitioning into a muscle-building phase - all through a personalised Low FODMAP, anti-infective, and metabolic protocol.
Prakarsh Bhat
Prakarsh Bhat
High Cholesterol
49
Pune

Before

Prakarsh, 48, came to iThrive before returning to sea duty with elevated HbA1c, triglycerides at 233, fatty liver, low thyroid function, chronic bloating, and a lipid profile serious enough to require rosuvastatin - knowing his health had to change before he went back offshore.

After

In 3 months, Prakarsh dropped HbA1c from 6.1 to 5.5, triglycerides from 233 to 128, reversed his fatty liver index from 69 to 22, normalised liver enzymes, reduced his rosuvastatin dosage, and eliminated bloating entirely - all confirmed by repeat blood tests.
Maani Lal
Maani Lal
Anxiety & Depression
24
Lucknow

Before

At just 24, Maani was exhausted, anxious, unable to sleep without lights on, and reliant on thyroid medication - knowing that something deeper was wrong but not yet knowing that anemia, infection, insulin resistance, and nutrient deficiencies were all quietly driving it.

After

In 3 months, Maani's anaemia, infection markers, homocysteine, blood sugar, insulin, and kidney panel all improved - her anxiety reduced, sleep normalised, brain fog lifted, and she began the transition off thyroid medication onto a natural desiccated thyroid supplement.
Imma Catherine
Imma Catherine
Hormonal Imbalance
46
Delhi

Before

At 46, Imma was struggling with persistent knee and muscle pain, especially in her lower body, despite staying active through walking, running, and regular exercise. Her pain worsened with movement, disrupting her sleep and leaving her constantly fatigued alongside long working hours. Despite being on thyroid medication and having undergone multiple surgeries for fibroids, she continued to feel restricted in her daily activities, She even had miscarriage due to fibroids. She had frequent migraines and reliance on routine habits like high sugar and gluten intake further added to her challenges, knowing something wasn’t right but not having a clear, sustainable path forward.

After

In a few months, Imma experienced a complete turnaround in all the concerns mentioned earlier, her knee pain became completely pain-free, migraines significantly reduced, sleep improved, and her energy levels increased. She successfully transitioned to a largely gluten-free, low-sugar lifestyle, built strength through consistent training, and now feels more resilient, active, and in control of her health, supported by clear improvements in her data and overall well-being.
Siddharta Pandey
Siddharta Pandey
Autoimmune Conditions
39
Hyderabad

Before

At 36, Siddhartha was waking up stiff, working through chronic back pain and headaches, running on low energy, and carrying a thyroid condition he had quietly stopped treating - not knowing that insulin resistance, fatty liver, and systemic inflammation were making everything worse.

After

In 3 months, Siddhartha's HbA1c dropped from 6.1 to 5.7, fasting insulin halved from 25.48 to 12.4, triglycerides fell from 150 to 116, fatty liver index improved from 84 to 68, and liver enzymes normalised - alongside significant relief from ankylosing spondylitis symptoms.
Vishesh Jain
Vishesh Jain
Chronic Fatigue
35
Ireland

Before

Vishesh was struggling with multiple health issues like acid reflux, vertigo, obesity, and constant urinary pressure. His daily life was also affected by low energy and laziness. Despite trying several diet plans in the past, he never found a suitable approach or the right guidance to truly understand his body. He lacked consistency, discipline, and awareness, often overeating, skipping healthy habits like post-meal walks, and not recognizing how certain foods (like gluten) were negatively impacting him.

After

Vishesh has begun to experience a noticeable shift in both his physical and mental well-being. He feels more balanced, aware, and in control of his habits. He has developed discipline, improved his consistency (tracking at 70–80%), and started understanding how his body responds to different foods. He has already unlocked 40–50% of his potential and built a strong foundation for long-term change. With renewed motivation, he is now committed to giving his 200% and transforming these learnings into a sustainable lifestyle.
Abhilasha Srivastava Jha
Abhilasha Srivastava Jha
IBS / Gut Issues
41
Mumbai

Before

Abhilasha came to us after trying everything allopathy, homeopathy & ayurveda which gave her temporary relief but didnt resolved her Digestive issues from the root cause: Constipation, Acid Reflux, Indigestion, Burps/Heartburn, Bloating and Gas.

After

Abhilasha experienced major shift in her holistic wellness not only her symtoms but a evolution in consciousness. She consider year 2021 as a year of awakening. Her digestive symptoms were improved & she is recommending iThrive to her friends and family who are stuck in their vicious cycle.
Sameer Deorukhkar
Sameer Deorukhkar
Type 2 Diabetes
53
Singapore

Before

Sameer, 53, had been battling Type 2 Diabetes and worsening cholesterol markers for years despite medication. Living in Singapore, he had access to good healthcare — but his numbers kept deteriorating, and no one could tell him why his condition wasn't improving.

After

Through iThrive's Root Cause Analysis and personalised protocol, Sameer understood the real drivers behind his diabetes and cholesterol. His markers improved significantly as the underlying metabolic dysfunction was addressed at its source — not just managed on the surface.

How We Find and Fix the Root Cause of SIBO

Personalised Diet Protocol

Built around insulin sensitivity, deficiencies, gut health, and what your body needs.

Smart Supplementation

Targeted to your specific markers at therapeutic doses.

Lifestyle Interventions

Sleep, movement, and stress management structured into your daily routine.

FAQs

I've been treated for SIBO before but it came back. Why does that keep happening?
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Because antibiotic treatment clears the overgrowth temporarily but does not address why the bacteria were able to colonise the small intestine in the first place. Low stomach acid, impaired motility, a damaged ileocecal valve, or gut dysbiosis all remain active after treatment. Until these are identified and corrected, recurrence is almost inevitable.

Could my IBS actually be SIBO?
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Very possibly. SIBO produces a symptom picture almost identical to IBS such as bloating, altered bowel habits, cramping, and fatigue. Studies consistently show SIBO is present in a significant proportion of people diagnosed with IBS. If your IBS has never responded meaningfully to treatment, SIBO is one of the first things that should be investigated.

Does SIBO cause nutritional deficiencies?
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Yes and this is one of the most underappreciated consequences. Bacterial overgrowth in the small intestine directly competes for nutrients before they can be absorbed particularly B12, iron, and fat soluble vitamins. People with long standing SIBO frequently present with deficiencies that don't respond to supplementation because the absorption problem has never been addressed.

I've been told to take probiotics for my gut. Could that make SIBO worse?
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In some cases yes. Introducing additional bacteria into an already overgrown small intestine can worsen symptoms which is why many people with SIBO find probiotics make them feel significantly worse. Probiotic use in SIBO needs to be carefully timed and targeted to the specific type of overgrowth and stage of treatment.

Is SIBO connected to my skin problems?
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Directly. The gut-skin axis is well established and SIBO is specifically associated with rosacea, acne, and other inflammatory skin conditions. The bacterial overgrowth drives systemic inflammation and intestinal permeability that manifests on the skin. When SIBO is addressed, skin conditions that have been unresponsive to topical treatment very often improve significantly.

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Complete Blood Count (18 Parameters)
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Diabetes Panel (4 Parameters)
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Iron Studies (4 Parameters)
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Lipid Panel (6 Parameters)
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Thyroid Profile (3 Parameters)
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Inflammation & Mitochondrial Health (3 Parameters)
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Liver Function Test (8 Parameters)
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Kidney Function & Electrolytes (9 Parameters)
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