Losing 10 pounds quickly is not recommended for anyone who is not morbidly obese, as such a quick weight loss can result in loose skin. Lose 10 pounds over a period of about five weeks with advice from a registered and licensed dietitian in this free video on nutrition and diets. Expert: Christine Marquette Bio: Christine E. Marquette is a registered and licensed dietitian with the Austin Regional Clinic in Austin, Texas. Filmmaker: Todd Green