Proof.Fit

Glutamine

16 benefits mapped to clinical evidence across supplements.

Benefit Evidence

Main Effects
Illness recovery

Protein loss ↓

Infections ↓

Strong
9,866
Immune support

Immune recovery +26.7%

Infections down 26%

T-cell markers up

Strong
6,295
Tissue repair

Fewer infections, faster repair

Better nutrition, faster healing

Strong
5,647
Gut health

Barrier↓, permeability↓

Inflammation↓, mucositis↓

Absorption↑, diarrhea↓

Strong
6,033
Digestive support

Absorption + permeability

-95% permeability; diarrhea

Gut barrier + immune

Strong
4,149
Body composition

Reduced proteolysis, better nitrogen balance

+1.5 to +15 g N

Preserved/gained lean mass, weight +3 kg

Strong
2,708
Metabolism

Glucose/insulin control

−20% infections

Fat/lipolysis ↓

Strong
2,527
Stress resilience

Stress proteins/immune +HSP70

Injury/infection markers −~30%

Metabolic support, survival +26.7pp

Strong
2,501
Protein source

↑Gln, ↓catabolism

Protein gain, +25% Gln

Strong
2,970
Muscle growth

Anabolism +N balance

Anti-catabolic, ~+10% glutamine

Strong
1,824
Detoxification

GSH/antioxidant ↑

Detox markers ↓

Strong
914
Exercise recovery

Reduced muscle breakdown

Improved recovery/strength

Strong
761
Energy & Fatigue

Glucose/insulin shifts

Cardio-recovery/lipolysis

Moderate
193
Endurance

Endurance: +21.6% VO2max

Endurance: +6MWD, stair-climb

Endurance: ammonia lower

Moderate
168
Focus & concentration

Attention +47%

Cognition +r0.47

Weak
293
Hydration

Gut fluid/salt absorption

Less edema/water retention

+3-fold absorption

Weak
48