Proof.Fit

Casein

15 benefits mapped to clinical evidence across supplements.

Benefit Evidence

Protein status: +albumin

Metabolic/BP: glucose, BP

Infant tolerance: allergy↓

14,748 people

Amino acids/insulin↑

Digestion/satiety/growth

10,759 people

Satiety/intake ↓

Weight loss/maintenance ↑

Body fat ↓

3,366 people

Lean mass ↑

Fat mass ↓

965 people

Casein boosts MPS

Whey stronger short-term

923 people

Muscle synthesis +

Protein balance +

Recovery/anabolism +

626 people

Protein synthesis +31%

Lean mass +4 kg

647 people
Strength
Moderate

Strength +31%

Strength gains

421 people

Synthesis + recovery

+25–30% overnight MPS

Performance + soreness

380 people
Satiety
Moderate

Satiety +CCK/PYY

Lower intake ~10%

336 people

Protein balance +MPS

Leucine delivery +28%

321 people

CCK/GLP-1 ↑ satiety

Intake ↓ 44 kcal

302 people
Bone health
Moderate

Bone markers +15%

Enamel remineralization +70%

331 people

Sleep onset/quality: improved

Cortisol/stress: reduced

Sleep latency: -7.7 min

207 people

Satiety + energy

Lower glucose spikes

Slower AA release

102 people