The 'normal' range is very wide, at the bottom of any range , most do not feel well, but its still in range.
2) Add <span style = 'background-color: #dae8f4'>Cytomel</span>
T3 to your T4 med. Its easy to get, and works for most.
3) Natural Dessicated (pig thyroid) is the last step to try. Armour and Nature Throid brands were reformulated, they still work for some people and dont work for othere anymore. ERFA brand from Canada is like the origional Armour.
If you follow these steps, within time you will find someway to feel better.