Their body might break down lipids instead of carbohydrates causing the person to lose weight or become malnourished after a period of time
It’s carbohydrate that is your answer
The cell organelle that will be affected by this poison is the ribosomes. This is for the reason that, it is the nucleoli that produce the ribosomal sub-units which are pull together to form ribosomes. Nucleoli produce ribosomal sub units from protein and ribosomal RNA, it then go direct the sub-unit to the interior of the cell where they are assemble into ribosomes.
Engage in Manufacturing should be the answer.