Hi Welcome to HCM mM I have gone thru your query regarding weight gain problem . It is no doubt a matter of concern . Eat sensibly. Needs of your body do not change just because you are trying to lose weight. You will need proteins, carbohydrates, vitamins, minerals and some facts. Include essential nutrients fiber ,vitamins and minerals in natural form such as roasted meat & fish, Boiled eggs, skimmed milk & curd , beans and nuts Eat lot of green leafy and fresh fruit & vegetables Drink plenty of water. Plan you meals . For proper assim I have gone thru your query regarding weight problem . It is no doubt a matter of concern . Dear , Our derailed life style and faulty food habits are the main culprit for our numerous health problems. Include essential nutrients fiber ,vitamins and minerals in natural form such as roasted meat & fish, eggs, dates , almonds , dry dates with milk & curd , beans and nuts Eat lot of green leafy and fresh fruit & vegetables Drink plenty of water. coconut water also helps .boosting immunity Avoid weighing yourself all the time. Your weight fluctuates daily and there is not real need to weigh yourself more than once a week. Along with well planned diet regimen , chalking out a well planned physical activity plan is also essential , to strengthen your immune system. Exercises as brisk walking ,deep breathing , Kapalbatti , yoga - rolling , stretching, running , jogging , sit - ups and proper rest after work outs all help strengthening immune system and assmilation & help achieving your goal . Try to eat small meals throughout the day rather than using up you full calorie entitlement in one large meal. Eating small amounts regularly will help easy assimmilation . Be careful to eat a large evening meal shortly before going to bedas it will arise digegestion problems and hamper your chances of gaining weight . Avoid weighing yourself all the time. Your weight fluctuates daily and there is not real need to weight yourself more than once a week. Avoid processed foods carbs , sugar , fried ,fast foods , Tea , coffee ,alcohol and smoking , stress , sleeplessness and Constipation all will produce biochemical and metabolic conditions in your body that will decrease your immunity. So avoiding is definitely the first step in the right direction to detoxing the body, boosting the immune system . Take Homeopathic Cal Phos 6 and Ferrum Phos / alternately / each twice a day / 15 days / will further enhance your metabolism Hope this helps solves your query .Take care . All the best .Get well soon Don t hesitate to come back in case of any further query .