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Serum T3

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Summary of Serum T3

Scientific Information on Serum T3

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Human Effect Matrix

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The Human Effect Matrix looks at human studies to tell you what supplements affect Serum T3.

Full details on all Serum T3 supplements are available to Examine members.
Grade Level of Evidence
Robust research conducted with repeated double-blind clinical trials
Multiple studies where at least two are double-blind and placebo controlled
Single double-blind study or multiple cohort studies
Uncontrolled or observational studies only
Level of Evidence
? The amount of high quality evidence. The more evidence, the more we can trust the results.
Supplement Magnitude of effect
? The direction and size of the supplement's impact on each outcome. Some supplements can have an increasing effect, others have a decreasing effect, and others have no effect.
Consistency of research results
? Scientific research does not always agree. HIGH or VERY HIGH means that most of the scientific research agrees.
Notes
grade-b Minor High See all 3 studies
500µg iodine or higher (in addition to the diet) appears to have a slight suppressive effect on thyroid function in otherwise healthy persons
grade-b - High See all 4 studies
The majority of evidence has failed to find any significant interaction with vitamin E supplementation and circulating levels of T3.
grade-c Minor - See study
There appears to be an increase in circulating T3 hormone levels (active thyroid hormone) when 7-keto is paired with a caloric restriction and exercise (relative to placebo with the same regimen)

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