Let’s be clear, the direction to replace butter with margarine is very dangerous. It’s also very dangerous direction from Jehovah to consume seed oils heated to high temperatures.
Do the opposite to that direction for healthy dietary habits. Replace margarine with butter. Eat whole eggs and fatty meat avoid seed oils heated to high temperature and practice intermittent fasting.
You can eat less all round if you eat nutritious foods instead of processed nutrient deficient foods which leave you still hungry