SubstancesNutrientsMacronutrientsAmino AcidsConditionalsConditional Amino AcidsArginineConditionally essential amino acid; precursor for creatine and nitric oxide synthesisGlycineNonessential amino acid; inhibitory neurotransmitter; supports sleep, gut barrier repair, and glutathione productionTyrosineDopamine and norepinephrine precursor; LAT1 competition with LNAAs
GlycineNonessential amino acid; inhibitory neurotransmitter; supports sleep, gut barrier repair, and glutathione production