Topic of the Week
What would cause TSH and T3 to rise together?
May
Topic of the Week!
I’m creating this post in response to the member’s post that is included in this screenshot and so I can reach more members with the @everyone tag. Please read the attached screenshot first.
Response: I’m seeing this increase in TSH in conjunction with raised T3 in my clients more and more since last fall 2022.
I have yet to pinpoint the cause and can’t find a common denominator of this phenomenon.
My suspicions are:
1. A new TSH assay that’s just faulty.
2. A supplement or food that’s disrupting or skewing results similar to the way biotin and L-Carnitine do.
The most likely culprit is a faulty TSH assay because none of my affected clients are taking the above supplements. And most aren’t on any supplements or medications besides their MMI.
Notable observations:
– I’m only seeing this phenomenon in the US.
– There is no common laboratory service.
– This is occurring with long time clients who are optimal, well managed and very stable.
– The age ranges vary from 12 to 65 years.
– I’m seeing it in both men and women.
Because my clients experiencing this are so stable and well managed and because T3 is the actual hormone every cell uses, I’m managing med dosages and low iodine intake by the Free T3 and all are doing well.
I’d love to solve this mystery! Please comment below ONLY IF you’ve experienced an elevated TSH with a FT3 in the top 1/4 of the range with:
1. Where you live.
2. All supplements you take.
3. Which lab service processes your tests.
4. TSH and FT3 levels with the ranges.
Please follow directions and only comment if you meet the above criteria.
I 
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