Any process that activates or increases the frequency, rate or extent of serotonin biosynthetic process.
Synonyms:
exact_synonym:
positive regulation of serotonin anabolism; positive regulation of serotonin biosynthesis; positive regulation of serotonin formation; positive regulation of serotonin synthesis; up regulation of serotonin anabolism; up regulation of serotonin biosynthesis; up regulation of serotonin biosynthetic process; up regulation of serotonin formation; up regulation of serotonin synthesis; upregulation of serotonin anabolism; upregulation of serotonin biosynthesis; upregulation of serotonin biosynthetic process; upregulation of serotonin formation; upregulation of serotonin synthesis
narrow_synonym:
activation of serotonin anabolism; activation of serotonin biosynthesis; activation of serotonin biosynthetic process; activation of serotonin formation; activation of serotonin synthesis