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The Human Effect Matrix looks at human studies (it excludes animal and in vitro studies) to tell you what supplements affect parathyroid hormone
|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.
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.
All comparative evidence is now gathered in our A-to-Z Supplement Reference.
The evidence for each separate supplement is still freely available here.
"Parathyroid Hormone," Examine.com, published on 18 November 2013, last updated on 29 April 2017, https://examine.com/topics/parathyroid-hormone/