Human Milk Oligosaccharides (HMOs) for Adult Gut Health: IBS Studies, Dosing, and Safety
Human milk oligosaccharides (HMOs) are complex carbohydrates best known for shaping an infant’s gut microbiome, but they are now being studied as targeted prebiotics...
Hydration and Constipation: How Much Water Helps and When It Doesn’t
Constipation is often framed as a simple water problem: drink more, and stools soften. Hydration does matter—but it matters in specific ways, and it...
Hydrogen Sulfide SIBO (ISO): Rotten-Egg Gas, Diarrhea, and New 3-Gas Breath Testing
“Hydrogen sulfide SIBO” is a phrase many people discover after months of bloating, urgent diarrhea, or unmistakable rotten-egg gas that does not respond to...
Iberogast for Indigestion: What It Helps, Dosing, and Rare Liver Risks
Indigestion can feel deceptively simple—“a little nausea,” “a heavy stomach,” “too much gas”—until it becomes the background noise of daily life. Iberogast is a...
IBS and Hormones: Why Symptoms Flare Around Your Cycle
If you live with IBS, you may notice a frustrating pattern: symptoms that feel manageable most of the month can spike right before or...
IBS Symptoms: Bloating, Pain, and Bowel Changes Explained
IBS can feel confusing because it is not one symptom—it is a pattern. Some days the main problem is bloating that makes your abdomen...
IBS Triggers: Stress, Sleep, Hormones, and Food
Irritable bowel syndrome (IBS) rarely flares at random. Most people can identify patterns—an intense week at work, a few short nights of sleep, the...
IBS vs IBD: Key Differences and When to See a Gastroenterologist
IBS and IBD are often confused because they can share the same “headline” symptoms: abdominal pain, bloating, diarrhea, constipation, and days when your gut...
IBS-D vs IBS-C vs IBS-M: Types, Symptoms, and Treatments
IBS is not one single pattern. For some people, the dominant problem is urgency and loose stools. For others, it is constipation, straining, and...
Indigestion (Dyspepsia): Symptoms, Causes, and Treatment Options
Indigestion, also called dyspepsia, is an umbrella term for uncomfortable upper-abdominal symptoms that often cluster around meals. For some people it feels like burning...
Inflammatory Bowel Disease (IBD): Crohn’s vs Ulcerative Colitis
Inflammatory bowel disease (IBD) is a long-term immune-driven condition that inflames the digestive tract, often in waves of flares and calmer periods called remission....
Internal Shower Drink (Chia Seed Water): Constipation Relief, Side Effects, and Safer Alternatives
The “internal shower” drink—chia seeds mixed into water (often with lemon)—has become a popular at-home fix for constipation. The appeal is understandable: chia forms...
Intestinal Methanogen Overgrowth (IMO): Methane Constipation, Testing, and Treatment Options
Intestinal methanogen overgrowth (IMO) is a pattern of gut microbial imbalance defined by excess methane production—most often linked with constipation, bloating, and a stubborn...
Inulin Fiber: Prebiotic Benefits, Gas Side Effects, and Best Ways to Titrate
Inulin is a naturally occurring, plant-based fiber that acts as a prebiotic—meaning it feeds helpful gut microbes rather than feeding you directly. Many people...
Iron Supplements and Constipation: Best Forms, Dosing, and Fixes That Help
Iron supplements can be life-changing when iron deficiency causes fatigue, shortness of breath, hair shedding, restless legs, or low exercise tolerance. The downside is...
Kefir vs Yogurt for Digestion: Which Is Better for Bloating and Regularity?
Kefir and yogurt sit in that rare sweet spot where something can be both traditional food and modern gut experiment. People reach for them...