Abstract
Given the conflicting results about the positive effects of magnesium and l-carnitine and as there is no report concerning concurrent supplementation of magnesium and l-carnitine on migraine prophylaxis, the effects of magnesium, l-carnitine, and concurrent magnesium–l-carnitine supplementation on migraine indicators were assessed. In this clinical trial, 133 migrainous patients were randomly assigned into three intervention groups: magnesium oxide (500 mg/day), l-carnitine (500 mg/day), and Mg–l-carnitine (500 mg/day magnesium and 500 mg/day l-carnitine), and a control group. After 12 weeks of supplementation, the checklist of migraine indicators including migraine attacks/month, migraine days/month, and headache severity was completed, and serum concentrations of magnesium and l-carnitine were measured by atomic absorption spectrophotometry and enzymatic UV test, respectively. The results showed a significant reduction in all migraine indicators in all studied groups (p < 0.05). The ANOVA results showed a significant reduction in migraine frequency across various supplemented and control groups (p = 0.008). By separating the effects of magnesium supplementation from other confounding factors such as routine treatments using the repeated measures and nested model, it was clarified that magnesium supplementation had a significant effect on all migraine indicators. Oral supplementation with magnesium oxide and l-carnitine and concurrent supplementation of Mg–l-carnitine besides routine treatments could be effective in migraine prophylaxis; however, larger trials are needed to confirm these preliminary findings.
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The authors wish to thank the Drug Applied Research Center (DARC) and the Research Vice-Chancellor of Tabriz University of Medical Sciences for their financial supports and all the patients who participated in this study.
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Tarighat Esfanjani, A., Mahdavi, R., Ebrahimi Mameghani, M. et al. The Effects of Magnesium, l-Carnitine, and Concurrent Magnesium–l-Carnitine Supplementation in Migraine Prophylaxis. Biol Trace Elem Res 150, 42–48 (2012). https://doi.org/10.1007/s12011-012-9487-5
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DOI: https://doi.org/10.1007/s12011-012-9487-5