I have a metallic taste in my mouth that started 2 days ago, along with:abdominal bloating - 1 year constipation-1 year on and off joint pain (mainly in knees and ankles) - 6 months tingling in right arm - 6 months unable to loose weight - 2 months tired all the time - 1 yearI am a 34 year old female, 5 foot 7 inches, and weigh 205 pounds. I had all bloodwork done in February 2011, along with abdominla CT scan and echocardiogram, that all showed that I was fine.