l-carnitine empty stomach can i take l carnitine on an Amazon.com: NOW Sports Nutrition, When to take L-carnitine –
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Sure, but you're going to overcome it by taking sufficient methylated B vitamins anyway

The protons generated from cytosolic lactic acid are immediately buffered in the cell or exported to the interstitial fluid and further transported to the blood

10.1158/0008-5472.Can-20-0378 104 ShlushL

Pregnant or trying to conceive (higher B vitamin demands, especially folate and B6)
