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Taking the supplement between meals, on an empty stomach, is often recommended to prevent competition with other amino acids for absorption, though it can be taken with a small amount of carbohydrates to stimulate an insulin response, which has been shown to enhance the uptake of carnitine into skeletal muscle cells

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Cureus 12 , e7343 (2020)

[7] As a powerful antioxidant, carnitine counters free radical (oxidative stress) build-up

Studies have discovered that most of the succinylated proteins are involved in the regulation of energy metabolism and translation, and nearly every enzyme of the TCA cycle is succinylated, implying a possible role for Ksuc in energy metabolism