l carnitina es lo mismo que creatina + L-carnitina 100 Cápsulas Potente Quemador Diferencia entre Creatina y Carnitina:
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doi: 10.1210/jcem.83.7.4966 119 BellentaniSScaglioniFMarinoMBedogniG
Conclusion While we have a good understanding of the consequences of micronutrient deficiencies on cognition, we know considerably less about the cognitive effects of micronutrient supplementation

doi: 10.1016/0014-5793(79)80069-1

The biochemical activity of the drug metabolizing isozyme cytochrome P450 2D6 (debrisoquin hydroxylase) is reduced in a subset of the Caucasian population (about 7% to 10% of Caucasians are so-called "poor metabolizers")