Any process that stops, prevents, or reduces the frequency, rate, or extent of production of transforming growth factor-beta1.
Synonyms:
exact_synonym:
down regulation of transforming growth factor-beta1 production; downregulation of transforming growth factor-beta1 production; negative regulation of TGF-B1 production; negative regulation of TGFB1 production
narrow_synonym:
inhibition of transforming growth factor-beta1 production