For setting your metabolism levels right, you must:-
a) Follow a strict dietary regime and set you body clock right
b) Have 6-8 small but frequent meals and not skip meals
You might be feeling full all the time because of flatulence which is a result of not doing the above.
Next Steps
You can contact me on direct consult for more action points. Alternatively you can visit me to get a customised diet chart suiting your needs.