The present invention relates to a diet composition comprising brown rice, job's tear, red beans, buckwheat, Italian millet, Indian millet, white beans, black beans, black rice, barley, brown rice sprouts, kale, matured pumpkin (Curcurbia moschata), carrot, Angelica, cabbage, wild Lanceolate root, Lotus root, radish, green radish, mugwort, pine needles, laver, sea mustard, sea tagle, Shiitake mushroom, Reishi mushroom, soy peptide, isolated soy protein, L-carnitine, Hibiscus extract, green tea extract and solomon's seal extract. The composition is useful in reducing body weight and body fat; controlling body shape; and lowering serum cholesterol and neutral fat.