2021;320(4):E680-E690
The randomized evidence establishes continued 2.4 mg treatment versus withdrawal, not a specific lower-dose maintenance band. The 0.5 and 1.0 mg doses have direct efficacy and safety data when assigned as treatment, and small uncontrolled series support testing lower-dose or reduced-frequency maintenance in practice
Safety risks include unregulated manufacturing that can leave solvent residues, unverified purity, lack of sterility assurance, and potential contamination or mislabeling
The Takeaway Some people have a genetic variation that may impair their detox abilities, affect how they absorb certain B vitamins, and contribute to their symptoms
Because the heart muscle relies almost exclusively on fatty acid oxidation for its relentless energy demands, it is highly sensitive to carnitine depletion
If the medication arrived at room temperature without cold packs and the transit time exceeded a few hours, the pharmacy should replace it at no charge