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The Human Effect Matrix looks at human studies (excluding animal/petri-dish studies) to tell you what what supplements affect Erections
|Grade||Level of Evidence|
|A||Robust research conducted with repeated double blind clinical trials|
|B||Multiple studies where at least two are double-blind and placebo controlled|
|C||Single double blind study or multiple cohort studies|
|D||Uncontrolled or observational studies only|
|Level of Evidence ||Supplement||Change||Magnitude of Effect Size ||Scientific Consensus||Comments|
Comparative Health Goals evidence only available to buyers of our Supplement-Goals Reference
All information is still available and viewable on their respective supplement page.
|C||Eurycoma Longifolia Jack|
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