Gut Health
Research on digestion, the gut lining and the microbes that live there.
Natto
Japan's fermented soybean superfood — dense in Vitamin K2, nattokinase, and probiotics with evidence for bone, heart, and vascular health
Fermented FoodsDoenjang
Korean fermented soybean paste — long-aged, isoflavone-rich, with clinical evidence for visceral fat, blood pressure, and gut microbiome support
Fermented FoodsKombucha
The ancient fermented tea with emerging clinical evidence for gut health, blood sugar regulation, and antioxidant protection
Fermented FoodsBeet Kvass
Traditional Eastern European lacto-fermented beet tonic — combining the nitric oxide and betalain benefits of beets with live lactic acid bacteria for gut, blood pressure, and detoxification support
Fermented FoodsKimchi
Korea's signature fermented vegetable dish — rich in probiotics, bioactive compounds, and evidence for gut health, cholesterol, and anti-inflammatory effects
Fermented FoodsMiso
Japan's ancient fermented soybean paste — rich in probiotics, isoflavones, and bioactive compounds with evidence for gut health, cardiovascular support, and cancer prevention
Fermented FoodsWater Kefir
A dairy-free fermented probiotic drink made with tibicos grains — offering gut diversity, antimicrobial properties, and metabolic benefits without milk
Fermented FoodsKefir
The probiotic drink with more microbial diversity than yogurt and growing evidence for gut, immune, and metabolic health
Fermented FoodsSauerkraut
How lacto-fermented cabbage feeds your gut microbiome, reduces inflammation, and delivers bioactive compounds that support long-term health
Fermented FoodsTempeh
Indonesia's original fermented soybean cake — a complete protein with enhanced isoflavones, proven cholesterol-lowering effects, and bone-protecting properties
Fermented FoodsHow to Start
Making your own fermented foods, choosing store-bought options, and building tolerance
Fermented FoodsLiving Foods
Why fermented foods deliver benefits that probiotic supplements can't match
ProbioticsLactobacillus Reuteri
What trials show for this human-associated probiotic strain: bone density, hormones, gut health, and the mixed evidence on infant colic
ProbioticsStrains That Matter
Which probiotic strains are backed by evidence for specific health conditions
ProbioticsFood vs. Supplements
Comparing fermented foods and probiotic capsules for delivering live beneficial bacteria
ProbioticsThe Gut Microbiome
What the gut microbiome is and why it matters for overall health
KefirGut, Blood Sugar, Bone, and Immune Health
What clinical trials show about kefir and gut health, insulin resistance, bone turnover, immune markers, and lactose digestion
Gut Permeability (Leaky Gut)Healing the Gut
The 4R protocol for restoring intestinal barrier function: remove, replace, reinoculate, repair
Gut Permeability (Leaky Gut)Intestinal Permeability
How tight junctions work, what zonulin does, and why increased intestinal permeability matters for systemic health
Spore-Based ProbioticsGut Health and Immunity
How Bacillus spore-forming probiotics survive stomach acid to support gut health, immunity, and microbiome balance
BerberineBerberine Basics
What berberine is, how it lowers blood sugar and cholesterol, and what the clinical evidence actually shows
Digestive BittersBitter Herbs and Digestive Health
How traditional bitter herbs activate digestive reflexes to support stomach acid, bile flow, and enzyme production
SIBOCauses, Symptoms, and Natural Treatment Approaches
What small intestinal bacterial overgrowth is, why it causes bloating and digestive distress, and evidence-based strategies for treatment
Digestive EnzymesHow Digestive Enzymes Work and When to Supplement
The enzymes your body makes to break down food, what happens when production falls short, and the evidence for enzyme supplements in IBS, bloating, and exocrine pancreatic insufficiency
SauerkrautProbiotics, Gut Health, and Immunity
How traditionally fermented cabbage delivers live probiotics, bioactive compounds, and vitamins that support a healthy gut, immune system, and beyond
Skin MicrobiomeYour invisible skin ecosystem
The trillions of bacteria, fungi, and viruses living on your skin are not enemies — they are your first line of defense, regulating immunity, keeping pathogens out, and influencing conditions from acne to eczema
Oral MicrobiomeYour mouth's hidden ecosystem
The 700-plus species of bacteria living in your mouth regulate blood pressure, train your immune system, and influence your risk of heart disease and Alzheimer's — understanding this ecosystem is fundamental to whole-body health
Gut-Brain AxisBidirectional communication
Your gut and brain are in constant two-way conversation — the microbes in your intestines influence your mood, anxiety, and cognition, while your mental state shapes your digestion and gut health
ButyrateGut Fuel: How This Bacterial Byproduct Protects Your Colon and Beyond
How gut bacteria convert dietary fiber into butyrate — and why this short-chain fatty acid is essential for colon health, immune balance, and brain function
L-GlutamineGut Integrity, Immune Fuel, and the Body's Most Abundant Amino Acid
How L-glutamine keeps the gut lining intact, powers immune cells, and becomes a conditionally essential nutrient during illness, surgery, and intense exercise
KombuchaFermented Tea, Gut Microbiota, and Emerging Health Evidence
What kombucha is, what its organic acids and probiotics do in the body, and what the clinical evidence actually shows
KimchiGut Health, Immunity, and Metabolic Support
How Korea's traditional fermented cabbage delivers live probiotics, reduces inflammation, and supports a healthy gut and metabolism
Nuts & SeedsAlmonds: Heart Health, Blood Sugar, and Gut Support
How almonds lower LDL cholesterol, improve blood sugar control, and feed beneficial gut bacteria — and the clinical evidence behind the claims
Nuts & SeedsPistachios: Heart, Blood Sugar, and Gut Health
How pistachios lower LDL cholesterol, improve blood sugar control, and support gut microbiome diversity — and the clinical evidence behind the claims.
Nuts & SeedsWalnuts: Brain, Heart, and Gut Health
How walnuts support cognitive function, cardiovascular health, and gut microbiome diversity — and the clinical evidence behind the claims.
Bone BrothDoes Bone Broth Heal the Gut, Joints, and Skin?
Bone broth's collagen content varies widely and no trial has tested it for gut, joint, or skin healing. What the research shows, and its role on sick days.
NattoCardiovascular Protection, Bone Health, and Gut Support
What studies show about natto, the traditional Japanese fermented soybean food that supplies nattokinase, vitamin K2 (MK-7), and Bacillus subtilis spores: blood pressure, cardiovascular mortality, bone health, and the gut microbiome
AntibioticsGut Damage and Recovery
How antibiotics damage the gut microbiome, what opportunistic organisms take over, and a practical recovery protocol
Lactobacillus ReuteriGut Health, Immunity, and the Gut-Brain Axis
What clinical trials show for the probiotic Lactobacillus reuteri: shorter childhood diarrhea, a modest boost to H. pylori treatment, mixed results for infant colic, and early animal work on oxytocin
TempehFermented Soy: Protein, Probiotics, and Heart Health
How fermentation transforms soybeans into a nutrient-dense whole food with documented benefits for gut health, cardiovascular protection, and blood sugar balance
Hormone BalanceThe Estrobolome: How Your Gut Bacteria Control Estrogen Levels
How gut bacteria regulate estrogen reabsorption through beta-glucuronidase enzymes, and what diet and probiotics can do to support healthy hormonal balance
PapayaDigestive Enzyme and Healing Fruit
Papaya's papain enzyme, antiparasitic seeds, and rich antioxidant profile make it one of the most medicinally active fruits
Licorice RootGut Healing, Antiviral Properties, and Safety
How Glycyrrhiza glabra's active compounds support gastric health, fight viruses, and why the form you take matters enormously
ChamomileSleep, Anxiety, and Digestive Calm
What the research says about chamomile for sleep, anxiety relief and gut comfort, and what is known about its flavonoid apigenin
Coriander SeedBlood Sugar, Cholesterol, and Digestive Health
How coriander seeds — the dried spice form of Coriandrum sativum — support blood sugar regulation, lower LDL cholesterol, and ease digestive discomfort, and what the research actually shows
Mung BeansBlood Sugar, Gut Health, and Cardiovascular Support
How mung beans regulate blood sugar, support gut microbiota, lower blood pressure via ACE-inhibiting peptides, and deliver potent antioxidants — backed by clinical and mechanistic research
PistachiosCholesterol, Blood Sugar, and Gut Health
How pistachios lower LDL cholesterol, improve blood sugar and insulin sensitivity, and feed beneficial gut bacteria — with consistent evidence from clinical trials
ChlorophyllDetox, Skin, and Gut Health
How the green pigment in plants helps the body neutralize carcinogens, support skin clarity, and improve gut microbiota balance
Psyllium HuskFiber for Gut, Heart, and Blood Sugar
How psyllium husk's soluble fiber lowers cholesterol, stabilizes blood sugar, and supports a healthy gut microbiome
Grass-Fed ButterGrass-Fed Butter: CLA, Butyrate, and Why the Cow's Diet Matters
How pasture-raised butter differs nutritionally from conventional butter, and what the research shows about its CLA, vitamin K2, and omega-3 content.
RyeMetabolic Health, Gut Benefits, and Unique Bioactive Compounds
How rye's unique alkylresorcinol compounds, exceptionally slow-digesting fiber, and distinct grain structure deliver measurably lower insulin responses, better gut microbiome diversity, and reduced cardiovascular risk compared to wheat
MeadowsweetNatural Anti-Inflammatory and Digestive Healer
How meadowsweet's salicylates, tannins, and flavonoids reduce inflammation and protect the digestive lining — the herb that inspired aspirin
Chicory RootPrebiotic Fiber, Gut Health, and Blood Sugar
How chicory root's inulin fiber feeds beneficial gut bacteria, improves bowel regularity, lowers blood sugar, and supports cardiovascular and liver health
CarrageenanThe Hidden Food Additive Linked to Gut Inflammation
Why this common thickener in plant milks, yogurt, and deli products may irritate your gut — especially if you have IBD or digestive sensitivities
Adzuki BeansAdzuki Beans: Blood Sugar, Cardiovascular, and Gut Health
How adzuki beans lower triglycerides, help maintain HDL cholesterol, affect blood sugar and inflammation in type 2 diabetes, shift gut bacteria in mice, and deliver an exceptional concentration of plant protein, prebiotic fiber, and seed-coat polyphenols.
Star AniseAnethole, Antimicrobial Properties, and Digestive Health
How star anise's primary compound trans-anethole delivers potent antimicrobial, antifungal, digestive, and anti-inflammatory effects backed by laboratory and clinical research
ChickpeasBlood Sugar, Gut Health, and Cardiovascular Support from a Humble Legume
How chickpeas regulate blood sugar, feed beneficial gut bacteria, and lower cholesterol — and why they belong in regular rotation
FenugreekBlood Sugar, Hormones, and Digestive Health
How this ancient seed stabilizes blood sugar, supports testosterone, aids digestion, and helps nursing mothers
ZeoliteClinoptilolite: detoxification and gut health
How the volcanic mineral clinoptilolite binds heavy metals, supports intestinal barrier integrity, and is used as a natural detox aid
Gentian RootDigestive Bitters and Stomach Tonic
How gentian root's bitter secoiridoids stimulate digestion, bile flow, and gut motility — and the clinical evidence behind one of Europe's oldest medicinal herbs.
SourdoughFermentation and Health
How slow fermentation by wild yeast and bacteria transforms bread into a more digestible, lower-glycemic, mineral-rich food with real evidence behind it
Marshmallow RootGut Lining, Sore Throats, and Mucilaginous Healing
How marshmallow root's mucilage coats and protects irritated tissue in the gut, throat, and respiratory tract with clinical evidence
OatsHeart Health, Blood Sugar, and Gut Benefits
How oats' beta-glucan fiber, unique avenanthramide antioxidants, and prebiotic properties work together to lower cholesterol, improve blood sugar, and nourish your gut microbiome
CashewsHeart Health, Metabolic Benefits, and Gut Support
Clinical evidence for cashews raising HDL cholesterol, lowering blood pressure in type 2 diabetes, reducing oxidative stress, and providing prebiotic fiber — plus their exceptionally rich copper and magnesium content.
GlucomannanKonjac Fiber for Blood Sugar, Cholesterol, and Gut Health
How glucomannan, the highly viscous fiber from the konjac root, supports blood sugar control, lowers LDL cholesterol, and feeds beneficial gut bacteria
Burdock RootLiver support, blood sugar, and prebiotic gut health
How burdock root's lignans, inulin, and polyphenols support liver function, regulate blood sugar, and feed beneficial gut bacteria
TUDCALiver, brain, and gut protection
How tauroursodeoxycholic acid protects cells from ER stress, supports liver function, slows neurodegeneration, and maintains gut barrier integrity.
FODMAP DietLow-FODMAP Approach to IBS
How temporarily restricting fermentable carbohydrates relieves bloating, pain, and gut distress in irritable bowel syndrome
OkraMucilage, Blood Sugar, and Gut Health
How okra's soluble fiber, polyphenols, and unique mucilaginous compounds support blood sugar regulation, cholesterol management, and digestive health
Jerusalem ArtichokePrebiotic Fiber, Gut Health, and Blood Sugar
How Jerusalem artichoke's exceptionally high inulin content feeds beneficial gut bacteria, supports blood sugar regulation, and promotes metabolic health
YogurtProbiotics, Bone Health, and Metabolic Benefits
How fermented dairy's live cultures and nutrient density support gut microbiome diversity, bone mineral density, and protection against metabolic disease
PlantainsResistant Starch, Blood Sugar, and Gut Health
How green plantains — with their exceptionally high resistant starch content — feed beneficial gut bacteria, buffer blood sugar, and support metabolic health
CabbageVitamin U, Glucosinolates, and Gut Healing
How ordinary green cabbage delivers ulcer-healing S-methylmethionine, sulforaphane-precursor glucosinolates, vitamin K1, and cheap, dependable cruciferous nutrition
FarroAncient Grain for Blood Sugar, Gut Health, and Nutrition
How farro's high fiber, protein, and ancient phytochemical profile produce lower glycemic responses than modern wheat, support gut bacteria, and deliver antioxidants modern grains have lost
Red CabbageAnthocyanins, Cancer Protection, and Gut Health
How red cabbage delivers exceptionally high anthocyanin levels alongside glucosinolates and prebiotic fiber, providing anti-inflammatory, cancer-protective, and gut microbiome benefits
Lotus RootAnti-Inflammatory Polyphenols, Blood Sugar, and Gut-Friendly Fiber
How lotus root's flavonoids, dietary fiber, and resistant starch support inflammation control, metabolic health, and the gut microbiome
GalangalAnti-Inflammatory, Digestive, and Cognitive Benefits
How galangal's unique phenylpropanoids reduce inflammation, protect the stomach, fight pathogens, and sharpen mental alertness
BarleyBeta-Glucan, Heart Health, and Gut Benefits
How barley's exceptional beta-glucan fiber lowers cholesterol and blood sugar, feeds beneficial gut bacteria, and delivers a unique profile of anti-inflammatory polyphenols and vitamin E forms
Black BeansBlack Beans: Anthocyanins, Blood Sugar, and Gut Health
How black beans lower blood sugar, feed beneficial gut bacteria, support cardiovascular health, and deliver a rare combination of plant protein, prebiotic fiber, and antioxidant pigments.
PrunesBone Density, Gut Health, and Polyphenols
How prunes (dried plums) protect bone density, support digestive regularity, and deliver cardiovascular-active polyphenols — with an unusually strong body of clinical trial evidence
WalnutsBrain, Heart, and Gut Health
A whole food uniquely rich in ALA omega-3s, polyphenols, and ellagitannins — with clinical evidence for cardiovascular protection, cognitive support in older adults, and meaningful improvements to gut microbiome diversity.
WheatgrassChlorophyll, Detox, and Gut Health
How wheatgrass supports digestion, reduces inflammation, lowers cholesterol, and provides dense antioxidant nutrition
PeppermintDigestive Relief, IBS, and Beyond
How menthol in peppermint oil relaxes gut smooth muscle, relieves IBS symptoms, and why enteric-coated capsules outperform tea for therapeutic use
MisoFermented Soy for Gut, Heart, and Longevity
How Japan's traditional fermented soybean paste supports cardiovascular health, gut diversity, and cancer risk reduction — with a surprising sodium paradox
BroccoliGlucosinolates, Cancer Prevention, and Gut Health
How broccoli's sulforaphane, glucosinolates, and fiber profile support cancer prevention, gut health, H. pylori eradication, and broad anti-inflammatory protection
Akkermansia MuciniphilaGut Barrier and Metabolic Health
How Akkermansia muciniphila, a mucus-layer bacterium, protects the gut barrier and supports metabolic health
Zinc CarnosineGut Healing and Gastroprotection
How the zinc-carnosine complex protects and repairs the gut lining, reduces intestinal permeability, and supports H. pylori treatment
Bovine ColostrumGut Health, Immunity, and Athletic Recovery
How the first milk produced after birth delivers concentrated immune factors and growth proteins that support gut integrity and immune function
TMAOHow Gut Bacteria Turn Red Meat into a Heart Risk
Trimethylamine N-oxide (TMAO): how gut bacteria convert nutrients from red meat and eggs into a cardiovascular risk factor — and how to reduce your levels naturally.
LactoferrinImmune Defense, Iron, and Gut Health
How this milk-derived immune protein regulates iron absorption, defends against pathogens, and supports gut barrier integrity — and what clinical trials show about supplementation
HaritakiKing of Medicine — Antioxidant, Gut, and Metabolic Health
How haritaki (Terminalia chebula), one of Ayurveda's most revered herbs, supports gut healing, blood sugar balance, oral health, and inflammation through its dense tannin and polyphenol chemistry
Dandelion RootLiver support and digestive health
How dandelion root supports bile flow, digestion, and metabolic health as a traditional bitter tonic.
AsparagusLiver Support, Prebiotic Fiber, and Antioxidant Power
How asparagus protects liver cells, feeds beneficial gut bacteria through inulin-type fructans, and delivers a concentrated dose of rutin, folate, and vitamin K
Piper LongumLong Pepper: Digestive, Respiratory, and Anti-Inflammatory
How Piper longum's two alkaloids — piperine and piperlongumine — enhance nutrient absorption, support respiratory health, and exert potent anti-inflammatory effects.
InulinPrebiotic Fiber and Gut Health
How this fermentable fiber feeds beneficial bacteria, supports blood sugar, lowers cholesterol, and improves calcium absorption
Acacia FiberPrebiotic Fiber for Gut Health and Blood Sugar
How soluble fiber from acacia trees selectively feeds beneficial gut bacteria, moderates blood sugar, and eases digestive symptoms — with unusually high tolerance compared to other prebiotics
JicamaPrebiotic Fiber, Blood Sugar, and Gut Health
How jicama's exceptional inulin fiber content feeds beneficial gut bacteria, moderates blood glucose, reduces adiposity and inflammation, and supports metabolic health through its unique combination of prebiotic polysaccharides and antioxidant phytochemicals
Saccharomyces BoulardiiProbiotic Yeast and Gut Defense
How this beneficial yeast protects the gut from antibiotic damage, traveler's diarrhea, C. diff infection, and IBS
PsychobioticsProbiotics That Support Mental Health and Stress Resilience
How specific probiotic strains modulate the gut-brain axis to reduce anxiety, improve stress responses, and support mood — with evidence from human clinical trials
Aloe VeraThe Healing Plant — From Burns to Gut Health
What research shows about aloe vera gel on the skin and by mouth, from burns and psoriasis to ulcerative colitis and blood sugar, and why the evidence is promising but not settled.
YarrowWound Healing, Anti-Inflammatory, and Digestive Support
How yarrow's flavonoids and essential oil reduce inflammation, accelerate wound healing, and calm digestive spasms
TriphalaAyurvedic Three-Fruit Formula for Gut Health
How triphala's three-fruit combination supports digestion, gut microbiome diversity, and whole-body wellness through polyphenols and antioxidant compounds
Resistant StarchGut Health and Metabolic Benefits
How resistant starch escapes digestion to feed beneficial gut bacteria, produce butyrate, improve blood sugar regulation, and support metabolic health
Slippery ElmGut Lining, Sore Throats, and Mucosal Healing
How slippery elm's mucilage polysaccharides coat and protect irritated tissue in the gut and throat, with prebiotic and anti-inflammatory evidence
MangoMangiferin, Blood Sugar, and Gut Health
How mangiferin and other mango polyphenols support insulin sensitivity, gut microbiome diversity, and inflammation control in clinical trials
YaconPrebiotic FOS, Blood Sugar, and Gut Health
How yacon root — a traditional Andean food rich in fructooligosaccharides — feeds beneficial gut bacteria, lowers blood sugar after meals, and supports insulin sensitivity