proof.fit

Whey Protein

17 benefits mapped to clinical evidence across supplements.

Benefit Evidence

MPS +40-100%

Lean mass +4kg

22,043 people

Allergy/immune tolerance

+46.6% GSH

16,693 people

More lean, less fat

+1.5 kg lean

Muscle-building gain

6,623 people

Protein/lean mass +IGF-1

Satiety, glucose, insulin

12,192 people

MPS +0.07%/h

Strength/mass +0.4kg

Fat loss/maintenance

4,846 people
Strength
Strong

Lean mass + strength

+1RM, +4kg LBM

CSA + strength

3,839 people

↓HOMA-IR, ↓glucose

↑insulin, ↑GLP-1

4,467 people

Lean mass + insulin

Fat loss + satiety

8,107 people

Satiety intake ↓

Body fat/lean mass

+10% intake drop

4,502 people

Muscle gain/strength

+4.1kg LBM

Endurance/performance +18m

1,722 people

MPS/signaling ↑

Recovery damage ↓

1,160 people

Whey ↑AA/MPS

Casein slower AA

923 people
Satiety
Strong

Hunger↓; GLP-1↑

Intake↓; fullness↑

Amino acids↑; satiety hormones↑

909 people

GLP-1↑ hunger↓

Amino acids↔ satiety↑

Insulin/gastric emptying↓ appetite↓

707 people
Bone health
Moderate

Less resorption, +BMD

IGF-1, PTH, BMD

799 people
Hair & Nails
Moderate

Acne: lesions -38.6%

Psoriasis/Eczema: improved scores

492 people

Whey: lower soreness

-CK, less DOMS

Omega-3+whey: less soreness

90 people

Similar by evidence

Supplements the same benefits carry qualifying findings for — a fact about the evidence graph, not a recommendation to swap.

Products with Whey Protein

Search all

16 products whose verified label declares Whey Protein — not every bottle that mentions it in a title.

Being studied right now

Recruiting clinical trials registered on ClinicalTrials.gov. A trial in progress has no result yet — this is what the field is asking, not what it found.