taking too much l carnitine L-Carnitine Benefits, Sources, and Side Effects is too much l carnitine
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10.1164/rccm.201706-1301OC 144 WangJ.LiX.ZhongM.WangY.ZouL.WangM.et al (2020)
This is followed up by some research suggesting that supplementing with glutathione can even improve the sleep quality of individuals suffering from sleep apnea which is a big deal (Ntalapascha, 2013)

Reduced glutathione (-L-glutamyl-L-cysteinyl-glycine, GSH) is considered to play a key role in the elimination of ROS and RNS, and determination of the GSH/GSSG ratio may represent one useful read-out of disturbed (extra-) cellular redox metabolism among other redox pairs [Citation7] and accordingly a surrogate marker of oxidative stress

Has immune-modulating properties
