If you feel well on your current dose there is no need to change it. Your TSH is higher than many would be comfortable with and FT4 and FT3 lower but it is how you feel which counts.
The goal of Levothyroxine is to restore the patient to euthyroid status. For most patients that will be when TSH is 1.0 or lower with FT4 in the upper range. FT4 needs to be in the upper range in order that sufficient T3 is converted. Read Treatment Options in thyroiduk.org.uk/tuk/about_... Email louise.roberts@thyroiduk.org.uk if you would like a copy of the Pulse article.
Thyroid peroxidase antibodies are positive for autoimmune thyroid disease (Hashimoto's). There is no cure for Hashimoto's which causes 90% of hypothyroidism. Treatment is for the low thyroid levels it causes. Many people have found that 100% gluten-free diet is helpful in reducing Hashi flares, symptoms and eventually antibodies.
VitD is replete 75-200 but most people are comfortable around 100. I would supplement 5,000iu D3 daily for 6 weeks then reduce to 5,000iu alternate days and retest in August. VitD should be taken 4 hours away from Levothyroxine.
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