The Optislim LCD (low calorie diet) Life Soups are a delicious formulated meal replacement that contain 25 vitamins and minerals and uses only natural colours and flavours. Replace 2 meals per day in conjunction with a low calorie/kilojoule meal to achieve weight loss. Remember to maintain adequate fluid intake. Replace 2 meals per day in conjunction with a low calorie/kilojoule meal to achieve weight loss. Remember to maintain adequate fluid intake.