My tremors feel head to toe. Feels like I am sitting on a washing machine during the spin cycle. Especially in my torso and abdominal area. I am currently reading a book on Vagus Nerve Healing written by a physician so I am doing the work and trying out the exercises recommended. My tremors are far less worse when I am at rest because my muscles nerves are not firing or demanding as much when I am not really moving at all. I saw someone recommended Vit B3 as key and so just ordered some. I DO see a FUNCTIONAL MED Dr at the Cleveland Clinic and she has me on Mast Cell Stabilizers but not much is helping because my Tryptase levels are going up which give off histamine and can cause tremors. I have been on a low histamine diet now for 7 months as well. Until Covid I was in EXCELLENT shape. I was very athletic and in perfect health. I had three of the vaccines and was due for the fourth but then got Covid. My PCP told me not to get any more vaccines of any kind right now while I am dealing with all this because he said my immune system is running amuck right now and another vax could confuse it all the more.