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is acetyl l carnitine different from l carnitine Acetyl-L-Carnitine Thorne Acetyl-L-Carnitine - 60 Servings
Description
doi: 10.1093/ckj/sfad273

Unfortunately, science does not support this claim
Chemical Stability Acetyl-L-carnitine is stable in neutral to acidic aqueous solutions (pH below 9) but degrades rapidly at alkaline pH values greater than 9, with significant loss of integrity observed after short exposure times at room temperature [5]

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Zhou W, Cheng Y, Zhu P, Nasser MI, Zhang X, Zhao M

Acetyl-L-carnitine, also known as ALC is a naturally occurring amino acid which is stored in the muscles, with trace amounts in the liver and blood
