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G6PD deficiency—does it alter the course of COVID-19 infections? - PMC

It does not, by itself, place anything on the 503A list, and it does not change FDA's posture toward compounded versions of approved drugs — the GLP-1 issue runs on its own track

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These observations indicate that d 9 -l-carnitine production from oral d 9 -γBB occurs via a mechanism that is not suppressed by antibiotics, and are consistent with expected results from the endogenous l-carnitine biosynthetic pathway (i.e., host conversion of γBB to l-carnitine during carnitine biosynthesis) (32–34)