regulates regulation of triglyceride biosynthetic process regulation of triacylglycerol biosynthetic process biological_process GO:0010866 Any process that modulates the rate, frequency, or extent of triglyceride biosynthesis. Triglyceride biosynthesis is the collection of chemical reactions and pathways resulting in the formation of triglyceride, any triester of glycerol. triglyceride biosynthetic process regulation of lipid biosynthetic process biological regulation regulation of triglyceride metabolic process