Proof.Fit

Probiotics

15 benefits mapped to clinical evidence across supplements.

Benefit Evidence

Main Effects
Gut health

Microbes↑, diarrhea↓

Gut bacteria, inflammation↓

Barrier leak↓, SCFAs↑

Strong
342,798
Digestive support

IBS relief +27%

Liver/gut markers

Diarrhea/constipation

Strong
115,145
Immune support

Probiotics: fewer infections

Immune calming + barrier

Strong
85,813
Bowel regularity

Constipation relief; +30%

Diarrhea reduction; -50%

Strong
47,213
Bloating & gas

Bloating/gas ↓ gas

Bloating/gas ↓ flatulence

~52% fewer gas days

Strong
22,555
Mood balance

Mood: ↓stress/anxiety

Mood: ↓depression, +QOL

Mood: ↓~10%

Strong
14,740
Nutrient uptake

More amino acid uptake

+B12/DHA/iron uptake

Strong
17,890
Inflammation

Anti-inflammatory + CRP↓

Allergy/eczema ↓ ~50%

Strong
14,157
Weight management

Body weight/waist ↓

Fat oxidation ↑

Strong
11,083
Oral health

Caries bacteria ↓

Periodontal health ↑

Strong
9,261
Skin appearance

Eczema ↓, barrier↑

Hydration/texture↑, redness↓

Strong
11,834
Allergy relief

Rhinitis symptoms -1.1

Allergy biomarkers lowered

Respiratory infections ↓69%

Strong
9,699
Energy & Fatigue

Fatigue ↓, endurance ↑

Strength ↑, fatigue ↓

Strong
3,101
Sleep quality

Vagal HRV + sleep

PSQI ↓ ~4

Stress hormones + sleep

Strong
2,394
Appetite suppression

Appetite ↓, +SQ

Cravings/Binge ↓

Moderate
463