Scientific Information on Sperm Count
Sperm Count
Summary of Sperm Count
Scientific Information on Sperm Count
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Human Effect Matrix
Unlocked for Examine Plus membersThe Human Effect Matrix looks at human studies to tell you what supplements affect Sperm Count.
Full details on all Sperm Count supplements are available to Examine Plus members.
| 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
|
- 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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- | Very High See 2 studies |
Saffron supplementation does not appear to be effective in increasing sperm count in infertile men.
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