Scientific Information on Sperm Count
Sperm Count
Summary of Sperm Count
Scientific Information on Sperm Count
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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 Sperm Count.
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| Grade | Level of Evidence [show legend] |
|---|---|
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Robust research conducted with repeated double-blind clinical trials |
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Multiple studies where at least two are double-blind and placebo controlled |
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Single double-blind study or multiple cohort studies |
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Uncontrolled or observational studies only |
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Level of Evidence
?
The amount of high quality evidence. The more
evidence, the more we can trust the results.
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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.
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Consistency of research results
?
Scientific research does not always agree. HIGH or
VERY HIGH means that most of the scientific research agrees.
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Notes |
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Minor
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Very High See all 6 studies |
There appears to be a benefit in oligoasthenoteratozoospermia, however, it's based on only a handful of studies and not statistically significant in the available meta-analysis.
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Minor
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- See study |
An increase in sperm count has been noted in infertile men who also had low testosterone; it was ineffective in infertile men with normal testosterone
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- | - See study |
No apparent effect in one study.
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