acetyl-l-carnitine as a precursor of acetylcholine Conceptual foundations acetylcarnitine supplementation in neuropsychiatric long COVID syndrome: narrative review Acetyl-L-Carnitine | C9H17NO4 | CID
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Tominaga H, Katoh H, Odagiri K, Takeuchi Y, Kawashima H, Saotome M, et al
The results are still optimistic

Jirillo, E., Altamura, M., Munno, I., Pellegrino, N

Although data were limited for most conditions in terms of the quantity and quality of the studies I reviewed, the number of studies was insufficient, or the results were not sufficiently homogeneous, overall the effect trends were generally positive for many conditions

Since all the carnitines prefer to do their work inside muscle tissue, it makes sense that their presence is good for the heart
