l carnitine pre or post workout How to Take L-Carnitine Correctly to Boost Your Training and 1.5g of electrolytes Best Time to Take L-Carnitine:
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Measurements were made following the manufacturer's suggested protocol and for details read work of Carruthers et al

doi:10.1097/01.NAJ.0000282299.03441.c7

The result is also read in 15 minutes based on the size of the wheel compared with that from salt water

doi: 10.1186/s13045-016-0383-x