Merck Manual

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Some Popular Diets

Some Popular Diets

Type of Diet

Weight Loss Approach

Disadvantages

Atkins

High-protein

Low-carbohydrate

2,000 calories a day

Is particularly high in fat and cholesterol

Beverly Hills

Low-fat

Low-protein

High-carbohydrate

Is deficient in protein, iron, calcium, zinc, and vitamin B12

Pritikin

Low-fat

Low-protein

High-carbohydrate

Unpalatable and less likely to be followed because it is so low-fat

Rice

Low-fat

Low-protein

High-carbohydrate

Is deficient in protein, iron, calcium, zinc, and vitamin B12

Richard Simmons

Low-calorie (900 calories a day)

Causes deficiencies in iron, calcium, protein, and vitamins A, thiamin (B1), riboflavin (B2), and niacin (B3) if it is followed a long time