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makanan yang mengandung arginin dan l-carnitine Manfaat Dosis Aman Mengonsumsinya L-Carnitine: Pembakar Lemak Alami, Sumber
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Pettegrew JW, Levine J, Gershon S, et al
10.1007/s12031-018-1091-5 47 El-DemerdashF

The Effect of Nutrients and Dietary Supplements on Sperm Quality Parameters: A Systematic Review and Meta-Analysis of Randomized Clinical Trials

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L- amino acids are essential for protein synthesis and energy production, and mammals (including humans) synthesize amino acids almost exclusively in the L- configuration.75 In supplements, L- or D- may be more informed by bioavailability, as the body may better absorb the L form of one amino acid or the D form of another