Most of the bad side-effects reported, like general tiredness, bowel disorders, or headaches are only temporary, but critics contend that low carbohydrate diets are not without serious long term side effects.

Reducing carbohydrates may mean missing out on required nutrients from ‘good’ carbohydrate foods which must be part of any sensible diet, specifically those obtained from vegetables, fruits and grains.

The Low Carb Diet Dangers