Hypothyroid tests good yet very sluggish! How improve energy, concentration, +/or mood on own? Already eat healthy, sleep enough, and exercise a lot.

More to it. . Fatigue is always a hard problem because the symptom can mean different things. Many people can't exercise, eat well sleep enough because they are so fatigued and depressed. You are ahead there. Are you mainly sleepy, dose off when still? See a sleep doctor. Or you don't feel right inside, nothing makes you feel happy? Talk to your primary care doc or counselor. No simple fix. Don't go it alone.