This is Dr Basu, experienced Internal Medicine Specialist.
I am here to address your concerns and provide great service.
Your TSH 1.8 is considered normal.
Free T4 1.1 also in good normal range at the middle.
They do not suggest any thyroid problem.
Your blood glucose, kidney and liver function tests are normal.
Cholesterol is mildly elevated but not concerning.
Your vitamin D level is very low and that can cause depression, fatigue.
You should be on 50000 units of vitamin D3 weekly for 12 weeks for fast repletion.
Then you should continue 1000 IU daily of vitamin D3.
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