Learn About FODMAPs and IBS

Educational articles about FODMAPs, IBS, and the low-FODMAP diet.

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What Are FODMAPs? A Plain-English Guide

FODMAPs are short-chain carbs that trigger IBS symptoms. Here's what the acronym actually stands for, the five groups, and why they cause gut chaos for some people.

Is FODMAP Intolerance a Real Diagnosis?

FODMAP intolerance isn't a formal diagnosis, but it describes something real that's happening in a lot of IBS guts. Here's what the evidence actually says, and why the low-FODMAP diet is taken seriously by the people who should know.

Bloating That Won't Go Away: 7 Reasons Your Belly Stays Swollen

Persistent bloating isn't random. Here are the 7 most common causes of a belly that stays swollen, and how to narrow down which one is yours.

Visceral Hypersensitivity Explained: Why 'Normal' Food Hurts You

Visceral hypersensitivity is why normal gas volumes hurt in IBS but not in healthy guts. Here's the mechanism in plain English, how it links to FODMAPs, and what actually turns the volume down.

IBS in Men: Why It's Underdiagnosed (and What to Do)

IBS isn't a women's condition. Men get diagnosed less often because they bring it up less, get dismissed as stressed, and present with different subtypes. Here's what the data actually shows and what to do about it.

IBS vs. IBD: How to Tell the Difference

IBS and IBD share symptoms but aren't the same disease. Here's how to spot the red flags that mean you need a real GI workup, not a diet tweak.

How to Talk to Your Doctor About IBS and the Low-FODMAP Diet

A practical script for your next GI appointment: what to bring, how to describe symptoms precisely, and which tests and referrals to ask for without getting dismissed.

Can You Cure IBS? What the Research Actually Says

"Cure" is the wrong word for IBS, but most people can reach a near-symptom-free life with the right tools. Here's what the research actually supports, and what realistic long-term remission looks like.

FODMAP Intolerance vs. Gluten Sensitivity: How to Tell Which One You Have

Many people who feel better gluten-free aren't reacting to gluten at all. Here's how to tell gluten sensitivity from fructan sensitivity, and what the research actually shows.

Lactose Intolerance vs. FODMAP Intolerance: What's the Difference?

Lactose is a FODMAP, but not everyone who reacts to FODMAPs is lactose intolerant. Here's how to tell pure lactose intolerance from broader FODMAP intolerance, and how to test yourself.

Fructose Malabsorption: The FODMAP Almost No One Talks About

Fructose malabsorption is a specific FODMAP subtype where the small intestine's fructose transporter saturates and the excess ferments in the colon. Here's what triggers it, why glucose helps, and how it's diagnosed.

Endometriosis and Bloating: Why Your 'Endo Belly' Might Be a FODMAP Problem

Endo belly is real, and new research suggests the low-FODMAP diet may help. Here's what the Monash 2025 study found, why IBS and endometriosis overlap so often, and how to run a 2-week trial.

Why Your Period Makes IBS Worse (and What Actually Helps)

If your IBS flares every month right before or during your period, you're not imagining it. Here's the hormonal mechanism and what actually helps.

The Gut-Brain Connection: Why IBS Makes You Anxious (and Vice Versa)

IBS and anxiety feed each other through a real, two-way nerve and chemical loop. Here's what the gut-brain axis actually is, what the research shows, and how low-FODMAP fits in.

Stress, Cortisol, and IBS Flares: The Missing Piece

A stressful week can trigger a flare on the same diet that was fine the week before. Here's how cortisol changes gut motility, visceral sensitivity, and the microbiome, and what actually helps.

Fibromyalgia and IBS: The Overlooked Gut Connection

Roughly 30 to 65% of people with fibromyalgia also have IBS. Here's the shared mechanism (central sensitization), the small but real evidence for low-FODMAP in fibro patients, and how to run a 2 to 6 week trial.

The Gut-Skin Axis: Could FODMAPs Be Behind Your Eczema or Rosacea?

Emerging research links gut dysbiosis to skin conditions like rosacea, eczema, and acne. Here's what the evidence actually shows, and when a low-FODMAP trial is worth considering.

FODMAPs After Antibiotics: Rebuilding Your Gut Without Flaring

A course of antibiotics can leave your gut reactive to foods you used to tolerate. Here's why post-antibiotic IBS happens, where low-FODMAP fits in, and when to call a doctor.

Long COVID and Your Gut: When Bloating Started After Infection

Post-infectious IBS after COVID is real and widespread. Here's what the research says about the mechanism, the Monash fibre study, and whether a low-FODMAP trial makes sense.

Is It IBS, SIBO, or Histamine Intolerance? A Symptom Comparison

IBS, SIBO, and histamine intolerance share a lot of symptoms and often overlap in the same person. Here's how to tell them apart and what to do about each.