Hello,,, if you have Thyroid problem (hypothyroidism) due to hormonal,imbalance which causes weight gain, what is important is taking treatment for hypothyroidism (that is L-Thyroxin tablets daily,, dose according to test results) which help to reduce weight along with that follow these steps. Exercise - daily 30min of brisk walking or jogging or dance or aerobics along morning and evening will help you to reduce your weight along with diet control. Avoid all junk foods fatty foods, bakery foods, eat more of vegetables and fruits, drink plenty of water, limit your food intake. Good night sleep will also help to reduce stress and decrease weight.