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Description
While it is available as a licensed prescription medicine for confirmed carnitine deficiency, over-the-counter supplements occupy a very different regulatory space

doi: 10.3389/fphar.2022.800490

Combining newborn metabolic and DNA analysis for second-tier testing of methylmalonic acidemia

reported the variability in presentation of systemic primary carnitine deficiency from metabolic decompensation in infancy to an asymptomatic adult (37)
