l carnitine free form meaning L-Carnitine and acetyl-L-carnitine roles and neuroprotection in developing brain L-Carnitine Uses & Benefits Explained:
Description
The availability of carnitine in skeletal muscle appears to influence the fuel choice during exercise [274]

Adv Cancer Res
Related symptoms may include gastrointestinal upset, brittle nails, hair loss, and in more severe cases, neurological effects [92]

doi: 10.1186/s12913-014-0579-0

Montgomery et al
