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Discover Supplement-Drug Interactions
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Last Updated: 3 years ago
Research Papers that Mention the Interaction
“Other neutral amino acids, such as alanine, asparagine, glutamine, serine, and threonine inhibited L-DOPA uptake by 40-70% at most.”
The 4F2hc/LAT1 complex transports l-DOPA across the blood–brain barrier“ L-DOPA increased nocturnal levels of Gly, Thr , Trp, and Val but had no effect on the daytime amino acids content.”
“1000 mg/kg l-Dopa produced an even greater increase in the concentration of tyrosine and threonine in the liver as well as inducing a significant increase in hepatic-aspartic acid and serine.”
“Subcutaneous injections of 500 mg/kg l-Dopa daily for 8 days increased the concentrations of isoleucine, methionine, threonine and tyrosine.”
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