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L-Carnitine Supplementation in Recovery after Exercise

Nutritional Support in Specific Groups of Pregnant Women

or fatigability in adulthood (34, 35)

That timing aligns with peak plasma concentrations in many formulations and gives carnitine a chance to be present in the circulation during your session

Research shows L-carnitine supplementation may reduce exercise-induced muscle damage, lower markers of oxidative stress, and improve blood flow via nitric oxide signaling

This is also where caffeine dosing starts to matter more: at 10K distance the ergogenic window barely covers the race, but at half marathon length, caffeine taken 45 to 60 minutes before the gun is still actively supporting you deep into the second half