Tryptophan (serotonin) Depletion In Brain (and Elsewhere)

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haidut

haidut

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what do you think of the DL-Phenylalanine form?

I think the L-form is safer and all the older studies on tryptophan depletion used that form.
 

cs3000

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what do you think of the DL-Phenylalanine form?

I think the L-form is safer and all the older studies on tryptophan depletion used that form.

Also one of those studies in the OP mentions the D form doesn't work on inhibiting tryptophan enzyme, only the L form "Consistent with this suggestion was the finding that L-phenylalanine, but not its D isomer, inhibited tryptophan hydrosylation". So people taking the DL form are getting half dose (at most, if it is actually 50/50)
 

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