Urgent warning signs — calf pain or swelling, fever, the knee locking — are one tap away, always.Something feel wrong?Red flags →
AFTER MACI
Evidence / Sources / E93

Jerger S et al. Specific collagen peptides increase patellar tendon cross-sectional area with 14 weeks of knee-extensor training (stiffness/strength equal between groups). Eur J Sport Sci 2023

▲RCT · n = 50HEALTHY YOUNG MENFull text →
Everything on this site that leans on E93 — 0 claims

Nothing cites this source yet — it is part of the vetted evidence base for content still being written.

Population
Healthy young men — a different population from MACI itself. Wherever this source appears, that flag appears with it.
Selection policy
Sources enter the registry through docs/research — the evidence table records design, population, and size for every entry, and pages cannot cite anything outside it.