injecting l-carnitine L - Carnitine Intramuscular shot How To Inject L Carnitine:

The maximum human prescription dose (3200 mg/day) would correspond to a 658.4 mg/kg/day dose in mice

Alternatively a large blister may form, which ruptures leaving a continuously draining ulcer

It also improved the proliferative and secretory functions of fibroblasts and reversed morphological abnormalities of senescent cells (such as flattened cell shape, enlarged volume, and nuclear pyknosis)

For example, doxorubicin (DOX) has cardiac side effects that lead to irreversible dilated cardiomyopathy and congestive heart failure, and acetylcarnitine has been shown to prevent cardiac functional and structural damage caused by DOX-induced oxidative stress [289]

Toxicological Sciences, 2001