If tsh goes from 1.34 to 2.52 in 8wks even if normal range can some people feel symptoms such as jitters/ heart race/ brain fog? and t3, (liothyronine)2.6 t4,1.3

Unrelated to thyroid: From the data you provided, thyroid function abnormality may not be the cause of the symptoms. It is not feasible to provide a meaningful opinion without taking additional history, physical examination and may be some tests. It would be prudent to see your doctor who ordered the tests. You may wish to explore if you may be depressed. For good health - Have a diet rich in fresh vegetables, fruits, whole grains, milk and milk products, nuts, beans, legumes, lentils and small amounts of lean meats. Avoid saturated fats. Drink enough water daily, so that your urine is mostly colorless. Exercise at least 150 minutes/week and increase the intensity of exercise gradually. Do not use tobacco, alcohol, weed or street drugs in any form. Practice safe sex, if you have sex.