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Acetyl L-Carnitine is a form of the amino acid L-carnitine that is acetylated to enhance its ability to cross the blood-brain barrier, commonly found in capsules and tablets at 500 mg doses. Products in this category often feature acetyl L-carnitine HCl as the primary ingredient, sometimes combined with other compounds like D-ribose or B vitamins in blends targeting mitochondrial and neurological support.
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