"i started taking belviq  may 32017 , my beginning weight  was 226 as of today beginning week two i weigh 219 i have lost 5 pounds. i am on a 1100 calories a day. i replaced a meal with a protein shake. so for every thing is wonderful. my first days on this medicine i was very tired and lower back pain.  all of  those side affect has gone away. i walk 45 minutes every day.  i will be up dating weekly. good luck everybody."