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The literature reports that carnitine can promote the excretion of excess organic or fatty acids in patients with defects in fatty acid metabolism and/or specific organic acidopathies that bioaccumulate acylCoA esters.1-6 Secondary carnitine deficiency can be a consequence of inborn errors of metabolism

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It does not bind MC2R, which is selective for ACTH

Lai K, Song C, Gao M, Deng Y, Lu Z, Li N
Room-temperature macromolecular serial crystallography using synchrotron radiation

Vitamin C supplements are pretty safe to take, even in high doses
