Hormones and women's health
TSH below 2for optimal thyroid function
Aim to maintain TSH levels under 2 to better detect thyroid dysfunction and reduce inflammation risks.
- State
- Recommended
- Research
- Research limited: expert opinion
- Agreement
- 61 of 100
- Experts
- 3 experts
Updated 23 September 2026
“A thyroid stimulating hormone level over 2.5 is not optimal and is not normal despite what your primary care or endocrinologist is telling you.”
a licensed practitioner · Source · 00:00:00
What to do
Aim to maintain TSH levels under 2 to better detect thyroid dysfunction and reduce inflammation risks. This entry applies for optimal thyroid function.
What the experts say
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a licensed practitionerRecommends
“TSH levels over 2.5 are not optimal and may indicate thyroid dysfunction despite conventional normal ranges”
Source · 00:00:00
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an endocrinology-trained performance coachRecommends
“TSH tests for depression, infertility, or pregnancy should be lower for accurate diagnosis”
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a licensed naturopathic doctorRecommends
“Different labs use different platforms which can cause significant variation in TSH results, so knowing the platform helps interpret results accurately”
Source · 00:00:00
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