glycine propionyl l carnitine swanson L-Carnitine 515mg + 60 Veggie Caps Swanson Propionyl L-Carnitine with Glycine
Description
Amino Acids, 41 (2), 507-515

The testing range of motion was 80 and was set from 1090 of knee flexion (with 0 = full voluntary extension)
doi: 10.1111/j.1742-7843.2009.00480.x

[DOI] [PubMed] [Google Scholar] 67.Ferreira GC, Tonin A, Schuck PF, Viegas CM, Ceolato PC, Latini A, Perry ML, Wyse AT, Dutra-Filho CS, Wannmacher CM, Vargas CR, Wajner M
