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L-Tryptophan
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L-Tryptophan and the conversion to 5 HTP are known precursors to enhance the neurotransmitter Serotonin, manufactured in the brain and GI tract. L-Tryptophan absorption can be boosted by supplementation with B group vitamins.
Tryptophan is an essential amino acid. It is the precursor to 5-hydroxytrypophan (5-HTP) which is the direct precursor to serotonin. Serotonin is important for mood and sleep; when it is deficient, this can lead to anxiety, depression, insomnia, and various other neuropsychological conditions. L-Tryptophan works in about 50% of insomnia cases.
Reference ID: 7246919
