Question: what are the side effects of not eating enough salt?
Answer: Headaches. Your nervous system requires sodium to function and when the levels of sodium drop, it can lead to severe headaches.
Nausea and vomiting. This is your body's way of getting rid of the excess water which is causing an imbalance in the sodium level.
Confusion. ... 
Fatigue. ... 
Muscle weakness and cramps.