Evidence-Based Guide

Gut Health & Digestion

Prebiotic, probiotic, and gut-healing compounds that support microbiome diversity, intestinal barrier integrity, and digestive function.

20ingredients ranked by evidence
#1
Malabar Chocolate Pod

Malabar Chocolate Pod

Strong
Other

Promotes digestive health with prebiotic fiber that nourishes the gut microbiome.

Malabar Chocolate Pod husk contains concentrated phenolic compounds including (-)-epicatechin (0.21–34.97 mg/g) and procyanidins that function as pote...

#2
Mamoncillo

Mamoncillo

Strong
Fruit

Promotes digestive health through dietary fiber, aiding bowel regularity and nourishing a balanced gut microbiome.

Mamoncillo (Melicoccus bijugatus) is a tropical fruit rich in polyphenolic compounds, vitamin C, and dietary fiber that collectively support immune fu...

#3
Lúcuma

Lúcuma

Strong
Fruit

Promotes digestive health by aiding gut motility and supporting microbiome balance with soluble and insoluble fibers.

Lúcuma (Pouteria lucuma) is a nutrient-dense Andean fruit rich in polyphenols (taxifolin, gallocatechin), carotenoids, and dietary fiber that exhibits...

#4
Bladderwrack

Bladderwrack

Strong
Other

Aids in digestive health by providing alginic acid, which supports gut motility and acts as a prebiotic.

Bladderwrack (Fucus vesiculosus) supports thyroid function through high iodine content that enables thyroid hormone synthesis, while fucoidan polysacc...

#5
Manna Ash Resin

Manna Ash Resin

Strong
Resin

Gently regulates bowel movements, acting as a mild osmotic laxative.

Manna Ash Resin contains bio-phenols, flavonoids, and phenolic compounds that exert dose-dependent antioxidant activity, achieving 23.71% ROS-scavengi...

#6
Lily Bulb

Lily Bulb

Strong
Other

Promotes digestive wellness and microbiome balance due to its high dietary fiber content, supporting gut motility and nutrient absorption.

Lily bulb polysaccharides and flavonoids (quercetin, isorhamnetin, kaempferol) function as hydrogen donors that terminate oxidation processes and redu...

#7
Kurrat Leaf

Kurrat Leaf

Strong
Leaf/Green

Aids digestive health by stimulating gut motility and supporting a balanced microbiome.

Kurrat leaf (Allium ampeloprasum var. kurrat) is a nutrient-dense Egyptian leek variety rich in organosulfur compounds (allicin, diallyl disulfide), f...

#8
Lizard Tail Leaf

Lizard Tail Leaf

Strong
Leaf/Green

Promotes digestive wellness by calming gastrointestinal inflammation and nurturing gut microbiota.

Lizard tail leaf refers to the foliage of Saururus cernuus (North American lizard's tail) and Saururus chinensis (Asian lizard's tail) in the family S...

#9
Jerusalem Thorn Pods

Jerusalem Thorn Pods

Strong
Legume

Supports digestive health by promoting regularity and gut balance, attributed to its tannin content.

Jerusalem Thorn Pods from Paliurus spina-christi contain phenolic compounds that demonstrate anti-hyperglycemic activity by normalizing elevated liver...

#10
Cranberry

Cranberry

Strong
Berry

Cranberries are renowned for supporting urinary tract health by preventing bacteria from adhering to the bladder walls. - Rich in antioxidants, they protect cells from damage, reducing the risk of chronic diseases. - Their polyphenols improve heart health by lowering LDL cholesterol and increasing HDL cholesterol. - Cranberries may enhance oral health by preventing bacteria from sticking to teeth and gums. - They have anti-inflammatory properties that can reduce the risk of chronic inflammation-related diseases. - High in vitamin C, cranberries boost the immune system, helping to fight off infections. - Their fiber content aids digestion, promoting a healthy gut microbiome.

Cranberries contain proanthocyanidins (PACs) that prevent bacterial adhesion to urinary tract walls, particularly effective against E. coli infections...

#11
Swiss Fermented Milk (Ziger)

Swiss Fermented Milk (Ziger)

Strong
Fermented/Probiotic

Digestive Health: Rich in probiotics, Ziger promotes a healthy gut microbiome, supporting digestion and alleviating bloating.

Swiss Fermented Milk (Ziger) contains bioactive compounds including lactic acid bacteria metabolites, bioactive peptides, and conjugated linoleic acid...

#12
Seaweed (Dulse)

Seaweed (Dulse)

Strong
Vegetable

Aids digestive health by providing soluble fiber, which nourishes beneficial gut bacteria.

Dulse (Palmaria palmata) is a red seaweed containing phenolics, phycobiliproteins, and chlorophyll a derivatives that reduce inflammation by down-regu...

#13
Coconut Heart

Coconut Heart

Strong
Other

Promotes gut motility and supports microbiome balance via its high fiber content.

Coconut heart, the edible inner core of coconut palm growing buds, provides significant electrolytes including potassium and high dietary fiber conten...

#14
Guatemalan Prickly Pear (Opuntia ficus-indica)

Guatemalan Prickly Pear (Opuntia ficus-indica)

Strong
Other

Supports digestive health by providing dietary fiber and mucilage that soothe the digestive tract and promote regularity.

Guatemalan Prickly Pear (Opuntia ficus-indica) contains bioactive compounds including isorhamnetin, quercetin, and kaempferol that regulate glucose ab...

#15
Lactobacillus delbrueckii subsp. bulgaricus

Lactobacillus delbrueckii subsp. bulgaricus

Strong
Other

Aids in lactose digestion by producing lactase, which helps lactose-intolerant individuals enjoy dairy without discomfort. It expands dietary options. - Enhances gut health by promoting the growth of beneficial bacteria, which can reduce harmful bacteria by up to 75%. It supports a balanced microbiome. - Boosts immune function by increasing the activity of natural killer cells, which helps the body fight infections more effectively. It strengthens overall immunity. - Reduces inflammation by modulating the immune response, which can alleviate symptoms of chronic inflammatory conditions. It promotes long-term health. - Supports respiratory health by reducing the incidence of respiratory infections, as shown in studies with a 30% decrease in symptoms. It enhances breathing comfort. - Improves nutrient absorption by maintaining a healthy gut lining, which optimizes the uptake of essential vitamins and minerals. It supports overall vitality. - Contributes to mental wellness by producing neurotransmitters like serotonin, which can improve mood and cognitive function. It enhances emotional balance.

Lactobacillus delbrueckii subsp. bulgaricus is a thermophilic probiotic bacteria that produces lactase enzyme and bacteriocins to support digestive he...

#16
Soy Flour

Soy Flour

Strong
Legume

Soy flour is high in protein, essential for muscle growth and repair, making it a perfect addition for athletes and fitness enthusiasts. It contains all nine essential amino acids, which are crucial for muscle synthesis. - Packed with isoflavones, soy flour may support hormonal balance, particularly during menopause, by mimicking estrogen. This can alleviate symptoms such as hot flashes and mood swings. - The fiber in soy flour promotes digestive health by enhancing gut motility and preventing constipation. It also supports a healthy gut microbiome, which is vital for overall health. - Soy flour may reduce cholesterol levels, thereby supporting heart health. Studies indicate that consuming soy protein can lower LDL cholesterol by approximately 3-4%. - It is rich in iron, which is essential for oxygen transport in the blood and energy production. This makes soy flour a great option for individuals with anemia or those looking to boost their energy levels. - The antioxidants in soy flour, such as saponins and phytic acid, help protect cells from oxidative stress and may reduce the risk of chronic diseases. - Soy flour supports bone health due to its high calcium content, which is crucial for maintaining bone density and preventing osteoporosis.

Soy flour is a protein-rich flour derived from ground soybeans containing high concentrations of isoflavones, particularly genistein and daidzein. The...

#17
Phosphatidylcholine (PC)

Phosphatidylcholine (PC)

Strong
Compound

Supports liver health by aiding in fat metabolism, crucial for detoxification and liver function. - Enhances cognitive function and memory by increasing acetylcholine levels, vital for brain health. - Promotes cardiovascular health by reducing cholesterol levels, essential for heart function. - Supports skin health by maintaining cell membrane integrity, crucial for youthful appearance. - Boosts immune function by enhancing cell signaling, vital for fighting infections. - Aids in digestion by improving bile flow, essential for nutrient absorption. - Supports joint health by reducing inflammation, crucial for mobility and comfort.

Phosphatidylcholine is a phospholipid that serves as a precursor to acetylcholine and supports cell membrane integrity. It primarily functions by prov...

#18
Caraway Seed

Caraway Seed

Strong
Seed

Cardiovascular Health: Supports heart health by improving circulation, lowering cholesterol. Digestive Health: Stimulates gastric juices, relieves bloating, eases indigestion. Anti-inflammatory: Reduces inflammation and supports joint health. Metabolic Support: Supports fat digestion and weight management. Immune Function: Antimicrobial properties protect against bacteria and fungi. Cognitive Support: Enhances focus and mental clarity.

Caraway seed contains carvone and limonene as primary bioactive compounds that enhance digestive enzyme activity and reduce gastrointestinal inflammat...

#19
Pineapple Core Fiber

Pineapple Core Fiber

Strong
Fiber

Promotes digestive regularity with insoluble fiber that enhances bowel motility and supports microbiome health.

Pineapple Core Fiber (PCF) is a dietary fiber extract from Ananas comosus processing waste, containing 80.89 mg CAE·g⁻¹ phenolic compounds and 7.14-9....

#20
Mountain Ebony Pod

Mountain Ebony Pod

Strong
Other

Promotes digestive balance through its fiber content and traditional use in gut remedies.

Mountain Ebony Pod (Bauhinia variegata) contains high concentrations of flavonoids including quercetin, kaempferol, and myricetin that provide potent ...