2015 study conducted in taiwan found that treatment with l-carnitine the of Psychiatric and Neurological Manifestations: A Systematic Review Acute L-Carnitine Supplementation Does Not
Description
Microbial production of glutathione

Collagen Synthesis & Skin Radiance: Glutathione is associated with collagen synthesis, a protein that provides structure to the skin

For most people, the body makes enough carnitine

For long term storage it is recommended to add a carrier protein (0.1% BSA, 5% HSA, 10% FBS or 5% Trehalose)
Also, people who already have one autoimmune disease have a greater risk of developing another one
