l carnitine choline inositol Carnitine, Choline, Cancer, & Cholesterol: The TMAO Connection HPLC Methods for analysis of
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WARNINGS: The dietary supplement is not a substitute for a varied, balanced diet and a healthy lifestyle

Theres also a lot of outrageous claims attributed to supplementing with L-Carnitine

F., Mekraksakit, P., Pattharanitima, P., Bathini, T., & Cheungpasitporn, W

doi: 10.4103/IJPM.IJPM_722_19 91 WuWRenFGuoMYangJXiaoYLiuW

[DOI] [Google Scholar] 71.Hematology: Issues in the Dialysis Patient: Dialysis-Related Carnitine Disorder

This binding activated cyclic adenosine monophosphate/protein kinase A (cAMP/PKA) signaling pathway, resulting in the translocation of aquaporin-2 (AQP2) from the vesicle to the apical plasma membrane and markedly increasing the water reabsorption of principal cells (123)
