It is investigational
Yabe D, Nakamura J, Kaneto H, Deenadayalan S, Navarria A, Gislum M, Inagaki N
For male fertility support, clinical studies typically use 1,500-3,000 mg per day, often as a combination of L-carnitine and acetyl-L-carnitine
Reported in-vitro work has examined its influence on fibroblast behavior, cell migration, and collagen-associated processes, frequently using the scratch-wound (wound-closure) migration assay as a quantitative readout of monolayer repair kinetics
T and B cell lymphocytes express choline acetyltransferase (ChAT), high-affinity choline transporters (ChRM and ChRN), acetylcholine transferase, and can produce and release ACh (102, 119, 120)