Leanne Manas Weight Loss - Doing aerobic exercise is an excellent way to burn calories and improve your physical and mental health. Portion control — simply eating less — or counting calories can be very useful, for obvious reasons . Using smaller plates has been shown to help some people automatically eat fewer calories . Studies show that people who supplement with glucomannan lose a bit more weight than those who don't .Based on the studies, drinking 1-2 liters of water per day should be sufficient to help with weight loss. A study of overweight women examined the effects of increasing water intake to over 1 liter per day. They found that over a 12-month period, this resulted in an extra 2 kg (4.4 lbs) of weight loss . For a long time, drinking water has been thought to help with weight loss.