Eating This Many Nuts Could Make Men More Fertile, Study Suggests

Maricruz Casares
Julio 7, 2018

The nutrients in nuts including omega-3 fatty acids, folic acid, antioxidants (Vitamin C, E, Zinc and Selenium) etc. are all thought to be responsible for these improvements.

The randomised trial by researchers from the Rovira i Virgili University in Spain measured conventional semen parameters and molecular changes over a 14-week study period.

Although these are statistically significant results from a randomized trial with a high level of scientific evidence, Salas-Huetos emphasized that subjects in the study were all healthy and apparently fertile men following a western-style diet. The results of the research was presented at the 34th Annual Meeting of ESHRE in Barcelona showed that a nuts-rich diet could boost sperm count by nearly 20 percent, the vitality of sperm cells by 5 percent, their mobility by six percent and the shape and size of sperm cells by one percent.

A total of 119 healthy men between the ages 18 and 35 were studied for the test before the researchers came to this conclusion.

The findings, say the investigators, "support a beneficial role for chronic nut consumption in sperm quality" and reflect a research need for further male-specific dietary recommendations.

This simple addition to the diet can significantly improve the quality and volume of sperm cells, as well as their motility.

Thus, the number of sperm increased by 14%, viability by 4%, motility is 6%, and morphology (shape and size) has improved by 1%.

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Sperm and blood samples were taken at the beginning and end of the study.

The study recorded not just sperm parameters but also changes in several molecular factors, including sperm DNA fragmentation.

The study was conducted, according to lead author Dr. Albert Salas-Huetos, in the context of a general decline in sperm quantity and quality, attributed in industrialized countries to "pollution, smoking, and unhealthy diets". Reduction in DNA fragmentation was the main reason why the other parameters also improved he said.

However, Salas-Huetos said it's impossible for him to be able to recommend nut supplements to men struggling to have children, "based exclusively on the results of this study".

According to Salas-Huetos one of the limitations of the study was the inclusion of healthy males with normal fertility. Trial participants who knew they were eating nuts might have changed other aspects of their lifestyle, which could have skewed the results.

"Evidence is accumulating in the literature that healthy lifestyle changes such as following a healthy dietary pattern might help conception", Salas-Huetos writes.

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