ABSTRACT This study aims to determine the effect of fortification of nanocalcium of freshwater mussel shell flour plain bread. The treatment given was fortification of nano calcium of freshwater mussel on plain bread, consisting of R0 (0%), R1 (0.5%), R2 (1%), and R3 (1.5%). The analysis parameters observed were hedonic quality (appearance, aroma, taste, texture), Chemical Value (water, as…