Meal replacement compositions and weight control method

A method of inducing weight loss by increasing satiety of a subject, comprising orally administering docosahexaenoic acid (DHA) to the subject in an amount of at least 1100 milligrams per day in a diet comprising between about 800 calories and about 1200 calories per day which comprises protein, carbohydrate, and fat, wherein the number of calories provided by protein in the diet compared to the number of calories provided by carbohydrate and fat produces a ratio of at least 0.5:1, thereby resulting in increased satiety.