Commonly reported side effects include: Nausea, vomiting, or stomach cramps Diarrhoea or loose stools A distinctive 'fishy' body odour, caused by the production of trimethylamine a metabolic by-product of carnitine breakdown in the gut These gastrointestinal effects are more likely at higher doses, particularly above 3,000 mg per day, and are consistent with adverse effects described in the levocarnitine SmPC
doi: 10.1007/s00253-021-11407-7 484 ZhangM.YanH.LuM.WangD.SunS
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The same immune disruption that fuels vaginal discomfort can trigger stubborn sinus congestion, post-nasal drip, and recurring sinus infections that never fully resolve
decreased enzyme activity was found in submandibular glands [46]
High out-of-pocket costs have led to modified usage, including alternate-week dosing in semi-urban belts