Health: New study links fish oil with improved sperm count and health
A large observational study out of Denmark has linked fish oil supplements with improved semen quality and testicular function in healthy men. The research cannot prove causation, however, it does echo prior research reaching similar conclusions in men with fertility issues.
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A new study is adding to the discordant volume of study on fish oil, finding supplements may improve testicular function in healthy men. The new research recruited nearly 1,700 young Danish men, all who completed a lifestyle and diet survey that included information of vitamin and fish oil supplements consumed across the prior three months. Semen and blood samples were taken alongside a complete physical examination.
A number of experts not associated with this particular study suggest that, while the research is rigorous and compelling, it is still only generating observational correlations, and any causation could only be established through a randomized clinical trial. Richard Sharpe, from the University of Edinburgh, calls the new study “well-conducted,” but affirms the need for a clinical trial to confirm causation.
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Despite these inherent limitations, this is not the first published study to investigate links between fish oil and male fertility. In fact, a large systematic review published last year examined 16 studies on the topic, comprising over 1,000 individual subjects with potential fertility issues. The conclusion was by no means certain but it did conclude, “omega-3 supplements and dietary intake of omega-3 might improve semen quality parameters in infertile men and men from couples seeking fertility treatment.”
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