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Fertility

Fertility refers to the capacity to create children, and in regards to supplementation this tends to refer to seminal parameters such as semen quality or semen motility.

Our evidence-based analysis on fertility features 7 unique references to scientific papers.

Research analysis led by .
Reviewed by
Examine.com Team
Last Updated:

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Human Effect Matrix

The Human Effect Matrix looks at human studies (it excludes animal and in vitro studies) to tell you what supplements affect fertility.
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 Notable Very High See all 9 studies
In women with PCOS, inositol (typically 2000 mg once or twice daily) can significantly increase ovulation and fertility rates.
grade-c Notable - See study
One study found an increase in the pregnancy rate of couples when the man took astaxanthin and was previously described as being infertile. Much more research is needed.
grade-c Minor Very High See 2 studies
An increase in fertility has been noted with DHEA supplementation

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Frequently Asked Questions and Articles on Fertility

Ashwagandha benefits for men
Ashwagandha does appear to have benefits for men specifically. These tend to centralize around testicular health and fertility while the antistress effects affect both sexes.
Click here to see all 7 references.