A patient with Addison's disease is consulting a nurse about dietary modifications. Which dietary change should the nurse recommend to manage this condition effectively?

Increase the intake of high-sugar snacks to prevent fatigue.

Increase the intake of potassium-rich foods.

Reduce sodium intake significantly to manage fluid retention.

Increase the intake of sodium-rich foods to compensate for adrenal insufficiency.

Increase the intake of sodium-rich foods to compensate for adrenal insufficiency.