Hi, I'm 80 Days Sober From Alcohol, Oxycodone And Xanex

Hi, I'm 80 days sober from alcohol, oxycodone and xanex (for sleep). I abused oxy and drank every day for at least 5 year. I was dealing with the loss of my son who was killed. So I was numbing. My problem is now, I can't seem to get my energy back. I'm exhausted all the time. I try to push through the best I can. I'm 47 I eat healthy, try to excessive and only take a multi vitamin. I don't feel urges to go back to numbing, I went to a very good rehab that gave me great tools. I just want to feel better. Thanks for any help.