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For informational purposes only. Not medical advice. Consult your healthcare provider before starting any supplement.

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  1. Home
  2. Goals
  3. Improve digestion
Body

Best Supplements for Digestion

Support gut health and digestive comfort. Ranked by evidence strength from 29 supplements backed by peer-reviewed clinical research.

29
Supplements Ranked
985+
Studies Analyzed
5.5/10
Top Evidence Score
95%
Top Match Score
1
Bth5.5

Betaine HCl

Top Pick5.5/10 Evidence

Supplemental stomach acid for those with low acid production, supporting protein digestion and nutrient absorption.

95%match
325-650mg with protein meals (titrate to find optimal dose)
1-2 weeks
moderate
Capsules (often combined with pepsin)

Improved protein digestion and reduced post-meal discomfort within 1-2 weeks

Goal relevance95%
2
Dge8.5

Digestive Enzymes

8.5/10 Evidence

Enzyme blend that supports digestion of proteins, fats, carbohydrates, and fiber, reducing bloating and improving nutrient absorption.

95%match
1-2 capsules with meals (varies by product)
1-2 weeks
high
Broad-spectrum enzyme blend capsules

Reduced bloating and improved food tolerance within 1-2 weeks

Goal relevance95%
3
Dgl6.0

DGL Licorice

6/10 Evidence

Licorice root with the problematic compound removed, supporting gut lining healing and digestive comfort without affecting blood pressure.

92%match
380-760mg, 2-4 times daily
2-4 weeks
high
Chewable tablets (for GERD/reflux)

Reduced heartburn and improved gut lining protection within 2-4 weeks

Goal relevance92%
4
Ae8.5

Artichoke Extract

8.5/10 Evidence

A digestive herb that supports bile flow, liver health, and cholesterol management.

90%match
600-1200mg extract daily
2-4 weeks
high
Standardized leaf extract (2.5-5% cynarin)

Reduced bloating and improved bile flow within 2-4 weeks

Goal relevance90%
5
Ge9.0

Ginger Extract

9/10 Evidence

A powerful digestive aid that reduces nausea, supports gut motility, and has anti-inflammatory properties.

90%match
250-1000mg extract daily
1-2 weeks
high
Standardized extract (5% gingerols)

Reduced nausea and improved gastric motility within 1-2 weeks

Goal relevance90%
6
Ob6.0

Ox Bile

6/10 Evidence

A supplemental bile source for those without a gallbladder or with bile insufficiency to help digest fats.

90%match
100-500mg with fatty meals
1-2 weeks
high
Ox bile capsules

Improved fat digestion and reduced bloating after fatty meals within 1-2 weeks

Goal relevance90%
7
Zc8.5

Zinc Carnosine

8.5/10 Evidence

A chelated form of zinc that specifically supports gut lining integrity, helps heal ulcers, and protects against NSAID damage.

90%match
75-150mg daily (providing ~16-34mg zinc)
4-8 weeks
high
Zinc L-Carnosine capsules

Improved gut lining integrity and reduced stomach discomfort within 4-8 weeks

Goal relevance90%
8
But8.5

Butyrate

8.5/10 Evidence

Short-chain fatty acid postbiotic that feeds gut lining cells, reduces inflammation, and supports the gut-brain axis.

88%match
300-600mg sodium/calcium butyrate, 2-3x daily
2-4 weeks
high
Enteric-coated sodium or calcium butyrate

Improved gut lining integrity and reduced GI discomfort within 2-4 weeks

Goal relevance88%
9
Mr7.5

Marshmallow Root

7.5/10 Evidence

A soothing demulcent herb that coats and protects irritated mucous membranes in the digestive tract.

88%match
1-2g dried root or 500-1000mg extract
1-3 weeks
high
Cold water infusion (traditional method extracts more mucilage)

Soothed gut lining and reduced GI discomfort within 1-3 weeks

Goal relevance88%
10
Sle5.5

Slippery Elm

5.5/10 Evidence

Mucilaginous herb that soothes and coats the digestive tract, providing relief for GERD, gastritis, and irritated gut lining.

88%match
400-500mg capsules 3x daily, OR 1-2 tbsp powder mixed with water
1-3 weeks
high
Inner bark powder (mix with water to form gel)

Reduced GI irritation and improved stool consistency within 1-3 weeks

Goal relevance88%
11
Pg8.5

PHGG

8.5/10 Evidence

A gentle prebiotic fiber that supports gut bacteria, regularity, and IBS symptoms without causing bloating.

87%match
5-6g daily
2-4 weeks
high
PHGG powder (Sunfiber is common brand)

Improved bowel regularity and reduced IBS symptoms within 2-4 weeks

Goal relevance87%
12
In9.0

Inulin

9/10 Evidence

A prebiotic soluble fiber that feeds beneficial gut bacteria, supports digestive health, and may improve blood sugar and mineral absorption.

85%match
5-15g daily
2-4 weeks
high
Chicory root inulin powder

Improved bowel regularity and microbiome diversity within 2-4 weeks

Goal relevance85%
13
Pro9.0

Probiotics

9/10 Evidence

Beneficial live bacteria that support gut health, immune function, and may improve mood and digestion.

85%match
10-20 billion CFU
2-4 weeks
high
Capsules with multiple strains

Improved gut microbiome balance and digestive regularity within 2-4 weeks

Goal relevance85%
14
Tud8.5

TUDCA

8.5/10 Evidence

Water-soluble bile acid that protects the liver, supports bile flow, reduces ER stress, and aids digestion of fats.

85%match
250-500mg daily for general support; up to 1500mg for therapeutic use
2-4 weeks
high
TUDCA capsules (pure tauroursodeoxycholic acid)

Improved bile flow and digestive comfort within 2-4 weeks

Goal relevance85%
15
Lgn9.0

L-Glutamine

9/10 Evidence

The most abundant amino acid in the body, supporting gut health, immune function, and muscle recovery.

80%match
5-10g
4-8 weeks
high
L-Glutamine powder

Improved gut lining repair and reduced intestinal permeability within 4-8 weeks

Goal relevance80%
16
Ps8.5

Psyllium Husk

8.5/10 Evidence

The most researched soluble fiber for digestive health, cholesterol reduction, and blood sugar control.

72%match
5-10g daily
1-3 days
high
Whole husk powder

Bulk-forming fiber normalizes bowel function and relieves constipation

Goal relevance72%
17
Sb9.0

Saccharomyces Boulardii

9/10 Evidence

A beneficial probiotic yeast that supports gut health, prevents traveler's diarrhea, and protects against antibiotic-associated digestive issues.

70%match
250-500mg (5-10 billion CFU) daily
1-2 weeks
high
Capsules (lyophilized)

Probiotic yeast prevents and treats diarrhea, restores gut flora

Goal relevance70%
18
Rs9.0

Resistant Starch

9/10 Evidence

A prebiotic fiber that resists digestion and feeds beneficial gut bacteria, supporting metabolic health, blood sugar control, and gut integrity.

62%match
15-30g daily
2-4 weeks
high
Raw potato starch (unmodified) or green banana flour

Prebiotic fermentation produces butyrate and supports gut health

Goal relevance62%
19
Brm7.0

Bromelain

7/10 Evidence

Protein-digesting enzyme from pineapple with systemic anti-inflammatory, digestive, and recovery benefits.

60%match
500-2000mg (measured in GDU — aim for 2000-3000 GDU)
1-2 weeks
high
Capsules standardized to GDU (gelatin digesting units)

Proteolytic enzyme aids protein digestion

Goal relevance60%
20
Clm7.5

Colostrum

7.5/10 Evidence

First milk rich in immunoglobulins, growth factors, and antimicrobial compounds that supports gut health, immunity, and recovery.

60%match
10-20g powder or 1-2g concentrated extract
2-4 weeks
high
Whole colostrum powder (first-milking, minimally processed)

Immunoglobulins support gut barrier integrity and repair

Goal relevance60%
21
Gm8.5

Glucomannan

8.5/10 Evidence

A highly viscous soluble fiber from konjac root that promotes satiety, supports weight loss, and helps regulate blood sugar and cholesterol.

58%match
1g three times daily before meals (3g total)
1-2 weeks
moderate
Capsules (safest)

Prebiotic fiber promotes healthy bowel function and microbiome

Goal relevance58%
22
Bbr9.0

Berberine

9/10 Evidence

Plant compound with powerful effects on blood sugar regulation, comparable to some diabetes medications in studies.

55%match
500mg 2-3x daily (1000-1500mg total)
4-8 weeks
moderate
Berberine HCl capsules

Modulates gut microbiome and supports GI function

Goal relevance55%
23
Pi7.5

Black Pepper Extract

7.5/10 Evidence

A powerful bioavailability enhancer that increases absorption of many supplements and nutrients.

55%match
5-20mg piperine daily
1-2 weeks
moderate
BioPerine (95% piperine standardized extract)

Stimulates digestive enzyme secretion and enhances nutrient absorption

Goal relevance55%
24
Bsw8.5

Boswellia

8.5/10 Evidence

Potent anti-inflammatory resin extract with strong evidence for joint pain, arthritis, and inflammatory conditions.

55%match
300-500mg standardized extract (30-40% AKBA), 2-3x daily
4-8 weeks
high
Standardized extract (30-40% AKBA or 65% boswellic acids)

Reduces IBD symptoms and intestinal inflammation

Goal relevance55%
25
Cur9.0

Curcumin

9/10 Evidence

A powerful anti-inflammatory compound from turmeric that reduces inflammation, supports mood, and aids recovery.

52%match
500-1000mg daily (enhanced form)
4-8 weeks
high
Enhanced absorption form: Longvida, Meriva, or BCM-95

Reduces IBS symptoms and supports gut barrier function

Goal relevance52%
26
Mth9.0

Milk Thistle

9/10 Evidence

The go-to liver support herb, with strong evidence for protecting liver cells and supporting liver function.

52%match
200-400mg silymarin (standardized extract)
4-8 weeks
high
Standardized extract (70-80% silymarin)

Supports liver function and bile production for digestive health

Goal relevance52%
27
Ttl7.0

Turkey Tail

7/10 Evidence

Immune-supporting mushroom with the strongest evidence among medicinal mushrooms, used as cancer therapy adjunct in Asia.

52%match
1-3g dried mushroom or equivalent extract
4-8 weeks
high
Hot water extract capsules or powder

Prebiotic polysaccharides support beneficial gut bacteria

Goal relevance52%
28
Fen7.5

Fenugreek

7.5/10 Evidence

Traditional herb with evidence for supporting testosterone, libido, blood sugar control, and lactation.

50%match
500-600mg extract (standardized)
1-2 weeks
high
Standardized extract (Testofen, Furosap)

Soluble fiber supports digestive regularity

Goal relevance50%
29
Shv7.5

Shatavari

7.5/10 Evidence

Ayurvedic adaptogen traditionally used for women's hormonal health, fertility, and lactation support.

48%match
500-1000mg root extract, 1-2x daily
2-4 weeks
high
Root extract standardized to saponins

Mucilaginous properties soothe and protect digestive lining

Goal relevance48%

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This information is for educational purposes only and is not intended as medical advice. Always consult a qualified healthcare provider before starting any supplement.