Proof.Fit

Prebiotics

15 benefits mapped to clinical evidence across supplements.

Benefit Evidence

Gut health
Strong

Bifido↑,SCFA↑

Inflammation↓,permeability↓

34,709 people
Digestive support
Strong

Bowel freq +38.5%

IBS symptoms −38.4pts

Stool softer/frequent

21,897 people
Immune support
Strong

Bifido+SCFA, ↓inflammation

Fewer infections, better immunity

21,135 people
Bowel regularity
Strong

↑ frequency/softer stools

↓ constipation severity

14,035 people
Inflammation
Strong

Liver enzymes/inflam ↓

SCFAs/endotoxin/inflam ↓

8,696 people
Weight management
Strong

Weight loss: -5kg

Waist/fat loss: -2.6cm

6,015 people
Nutrient uptake
Strong

Iron absorption +45–51%

Calcium absorption +5–13%

7,175 people
Bloating & gas
Strong

Reduced bloating/gas

+ symptoms relief

Bifidobacteria + SCFAs

4,916 people
Acne
Strong

Eczema severity −18

Allergy incidence −57%

Acne lesions −7

4,838 people
Mood balance
Strong

Mood ↑ stress/depression

Mood ↑ +10.44

2,096 people
Energy & Fatigue
Strong

Fatigue↓, sleep↑

Energy/metabolism↓ glucose

2,277 people
Appetite regulation
Strong

Appetite ↓ hunger, +fullness

Glucose/insulin ↓, PYY/GLP-1 ↑

Energy intake ↓

1,100 people
Sleep quality
Moderate

Better sleep quality

Deeper sleep +N3

Faster night consolidation

1,036 people
Oral health
Moderate

Plaque/gums ↓, mucositis ↓

Caries ↓, lactose tolerance ↑

777 people
Appetite suppression
Moderate

Hunger↓; no intake

GLP-1/PYY↑; hunger↓

Satiety↑; hunger↓

421 people