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What's the variation within a milligram (mg), microgram (mcg), and an International Unit (IU)
Research-Based Insight Studies show L-carnitine can improve: Mental clarity Daytime alertness Fatigue reduction These effects are beneficial during the daybut may interfere with nighttime relaxation if taken too close to bedtime
It is typically a convergence of nutrient depletion, toxic overload, gut dysfunction, and genetic susceptibility that collapses multiple pathways simultaneously
Chen et al., 2024)
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