Proof.Fit

Betaine

16 benefits mapped to clinical evidence across supplements.

Benefit Evidence

Main Effects
Cholesterol

LDL-C ↑; betaine varies

Homocysteine ↓; betaine ↑

Strong
6,853
Metabolism

Betaine↑, Hcy↓

Betaine ↔ glucose

Strong
5,480
Detoxification

Betaine lowers Hcy

Betaine boosts methylation

Moderate
2,667
Heart health

Homocysteine −24%

CVD risk HR≈2.2

Moderate
2,476
Brain health

Methylation/cognition: −36% Hcy

Choline/betaine brain support

Moderate
1,265
Cell health

Homocysteine ↓ 10–24%

Betaine/choline ↑, Hcy ↓

B12/IGF-1 ↑

Moderate
1,085
Weight management

BMI/body fat ↓

Fat loss markers ↓

Liver enzymes ↓

Moderate
1,119
Healthy aging

Lower homocysteine 36%

Better memory, betaïne

Oxidative stress down

Moderate
585
Illness recovery

Inflammation↓ 40%

Healing/bacteria↓

Performance↑

Moderate
579
Muscle maintenance

Strength, lean mass +5.9%

Anabolic signaling, hormones

Weak
110
Workout performance

Strength/hypertrophy ↑

Endurance/performance ↑

Weak
110
Liver support

Fat loss, lower enzymes

CAP/TE ↓, BMI ↓

Weak
753
Body composition

BMI/body fat ↓

Lean mass ↑

Weak
362
Digestive support

Saliva flow, dryness −

Choline, fat absorption +

Gastric acid/absorption +

Weak
150
Acne

Less irritation, no acne change

AE −4.2 pp, no acne

Weak
81
Focus & concentration

Better mood/focus

+focus, no gains

Weak
80