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We demonstrated that treatment with glycine supplements at 100 mg/kg/day (4 times the amount of the participants dietary glycine intake) for two weeks raised plasma glycine concentration by 35%

However, it is not as effective as the supplement alpha-lipoic acid

Funding This work was supported by grants to AG-C from Spanish Ministerio de Ciencia e Innovacin (MICINN, grant PID2019-111338RB-I00), co-financed by Agencia Estatal de Investigacin and Fondo Europeo de Desarrollo Regional (AEI/FEDER, EU)

Fatty acid transport: Facilitating the transfer of fatty acids (acyl groups) as acylcarnitines across the mitochondrial membrane for -oxidation

Brain glucose metabolism: integration of energetics with function