HTP/Tyrosine: Not advised, since both can increase serotonin in your system.
Answered 1/2/2016
5.5k views
No: 5htp is an inhibitory neurotransmitter precursor, and l_tyrosine is a stimulatory neurotransmitter precursor. Taking them together will probably counteract any benefit that you are seeking from either one.
Answered 12/1/2015
5.4k views
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