high TSH after blood work 36h into a fast

locutus

Member
TSH: 6.030
Free T3: 3.5
Free T5: 1.36

is this normal, note that I faster about 36h before the blood draw. my TSH has never been that high.
 
yes, antibody negative and t3 below. this was a year ago. TSH was normal too. I made no other changes then the 36H fast this time. also been taking high doses of iodine (lugols), but have been doing this for a long time and prior my labs were normal.

Reverse T3, Serum

17.6



ng/dL

9.2-24.1
 
I feel pretty good! i will re-do the blood-work non fasted. I have a gut feeling that the extended fast pushed my TSH up for some reason
 
did another test, back to 2.5. this time non fasted (altough previous 36h fast ended about 8h before blood draw). still on keto/ketosis (on for months)
 
yes, antibody negative and t3 below. this was a year ago. TSH was normal too. I made no other changes then the 36H fast this time. also been taking high doses of iodine (lugols), but have been doing this for a long time and prior my labs were normal.

Reverse T3, Serum

17.6



ng/dL

9.2-24.1
Lugol often greatly increases TSH
 

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