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When given to humans at a dose of 100mg/kg, orally ingested L-Tyrosine has increased tyrosine levels in the body by: 130% [2] 200% [3] 223% [1] 276% [4] Note: Different forms of delivery (pills vs powder) were used in these trials, so that may account for the differences in tyrosine elevation levels
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Theres also a strong link between chronic inflammation and poor sleep, as inflammatory stress can disrupt deep sleep cycles and leave you feeling unrested no matter how many hours you log
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