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Certain foods, medications and vitamins (especially B vitamins) may change the color of your urine

It is best to have the supplement along with any of your main meals for the best results

In addition to being a product of endogenous synthesis during l-carnitine generation, the present studies reveal that BB is a major product of gut microbiotadependent catabolism of orally ingested l-carnitine in humans, and is an intermediate in TMAO formation from l-carnitine

Serum carnitine levels in epileptic children before and during treatment with valproic acid, carbamazepine, and phenobarbital

However, recent meta-analyses indicate heterogeneity in this association, with some 2025 data reporting no significant link, underscoring population-specific effects