is l-carnitine a banned substance What L-Carnitine? Benefits for Runners, Dosage & How It Works – RunStrong Carnitine comes with a liposomal formula made with a phospholipid complex L-carnitine benefits, uses & dosage:
Description
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Before Exercise: Taking L-Carnitine 30 to 60 minutes before exercise can be beneficial for improving sports performance and increasing fat oxidation during physical activity

This unflavored powder can be easily mixed with water or other beverages, allowing for flexible consumption

Arch Pharm Res 36:201207

Pochini et al., 2013
