Proof.Fit

Type-II Collagen

9 benefits mapped to clinical evidence across supplements.

Benefit Evidence

Collagen breakdown ↓

Pain/function ↑

JSN/erosion ↓

16,686 people

Pain/function better

Cartilage markers↓

13,578 people

Pain ↓, function ↑

CTX-II ↓ or ↑

3,368 people

Pain/function ↑

CTX-II/PRO-C2 ↓

JSN progression ↓

8,821 people

Pain/function improvement

Biomarker shifts -31%

2,426 people
Wellbeing
Strong

Pain/function improved

Cartilage marker down

1,386 people

Pain/function + movement

Strength/body mass gains

653 people

Pain/function ↑; relapse

Wound healing ↑ (~2x)

Cartilage marker ↓, pain ↓

524 people

Pain ↓; function ↑

CTX-II ↓; soreness ↓

416 people