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So, whether you're a carnivore, herbivore, or somewhere in between, there are plenty of natural sources of carnitine

Statins reduce L-carnitine and acylcarnitine levels through HMG-CoA reductase inhibition, thereby decreasing mitochondrial acylcarnitine accumulation [174]

The Role of Fiber Types in Muscle Hypertrophy: Implications for Loading Strategies

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doi: 10.1016/j.clnu.2015.01.020