A healthy diet is a natural diet, and natural diets require some work.

A vegan diet one that eliminates animal products of any kind requires a little creativity in the kitchen.

The diet does not require people to lose weight, avoid salt or liquor or count cholesterol.

A diet with few meat and dairy products does require more careful choices than a diet in which they are central.

A balanced diet, they argued, should not require a person to supplement its meals with vitamins and other supplements.

When a diet requires salt to be restricted it becomes a challenge for the cook.

The diet must be followed very strictly and requires a significant commitment to work effectively.

The diet is exact and requires commitment from both child and parent.

The diabetic diet requires close control of blood glucose levels.

However, a strict vegan diet does require extra Vitamin B12 for good health.