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They will also likely look at underlying (and common thyroid) issues, such as nutrient depletion and absorption issues that a conventional medicine doctor might not look at, and whether you have the MTHFR gene variation (which can impair thyroid hormone levels and energy metabolism)

Epub 2020 Apr 18

Individuals taking L-carnitine as a sports supplement to improve fat metabolism and muscular performance should stop using it at least for one week each month

But what would a conventional medicine doctor likely do if you come to them complaining of fatigue, brain fog, digestive issues, and/or muscle weakness

Carnitine status can be assessed by measuring circulating carnitine levels

Carnitine is a tiny molecule, soluble in water, primarily derived from proteins