l carnitine negative effects L-Carnitine: Uses, Benefits, Dosage, and Side – StrengthLog Can L-Carnitine Cause Side Effects?
Description
They can also interact with some medications and affect how they work

It is studied in preclinical models to investigate sleep architecture regulation, stress response modulation, HPA axis function, and neuroendocrine interactions

Dessauer et al., 2017
Some patients may notice a boost in energy and well-being within days after starting regular injections as prescribed
