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Background <p>MIND diets and probiotics have the potential to positively affect infertility in obese and overweight men, but their effects are not yet fully elucidated. Therefore, this study aims, for the first time, to address this gap by evaluating the effects of a calorie-restricted MIND diet and probiotic supplementation on fertility, sexual function, and quality of sexual life in overweight and obese men.</p> Methods <p>This study will be conducted as a double-blind randomized clinical trial on 84 overweight and obese men in Kerman for 3 months. Participants will be randomly allocated to one of the following four groups: (1) the group receiving the MIND diet with restricted calories + probiotic supplement; (2) the group receiving the MIND diet with restricted calories + placebo; (3) the group receiving a standard low-calorie diet + probiotic supplement; (4) the group receiving a standard low-calorie diet + placebo. Before the intervention and after 3 months, the study variables will be compared between groups. Anthropometric evaluation, spermogram evaluation, serum levels of androgens, sexual function, and quality of sexual life will be assessed at the beginning and at the end of the study.</p> Discussion <p>This trial will provide valuable evidence regarding the potential synergistic effects of the MIND diet and probiotic supplementation in managing male infertility associated with obesity. By evaluating both clinical fertility markers and patient-reported outcomes such as sexual function and quality of life, the study findings are expected to contribute to a better understanding of the role of lifestyle interventions in reproductive health, potentially offering a sustainable therapeutic approach for this population.</p> Ethical aspects <p>All the work procedures will be carried out in accordance with the guidelines recommended by the Ethics Committee of Mashhad University of Medical Sciences (IR.MUMS.REC.1402.341).</p> Trial registration <p>Iranian Registry of Clinical Trials IRCT20240313061277N1. Registered on 31 March 2024.</p>

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Effects of a calorie-restricted MIND diet and probiotic supplementation on fertility, sexual function, and quality of sexual life in overweight and obese men: protocol for a double-blind randomized clinical trial

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2026年7月13日

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  • Ali Shamsi-goushki,
  • Mohammad Reza Mahmoodi,
  • Sareh Ashourzadeh,
  • Majid Khadem-Rezaiyan,
  • Reza Rezvani

摘要

Background

MIND diets and probiotics have the potential to positively affect infertility in obese and overweight men, but their effects are not yet fully elucidated. Therefore, this study aims, for the first time, to address this gap by evaluating the effects of a calorie-restricted MIND diet and probiotic supplementation on fertility, sexual function, and quality of sexual life in overweight and obese men.

Methods

This study will be conducted as a double-blind randomized clinical trial on 84 overweight and obese men in Kerman for 3 months. Participants will be randomly allocated to one of the following four groups: (1) the group receiving the MIND diet with restricted calories + probiotic supplement; (2) the group receiving the MIND diet with restricted calories + placebo; (3) the group receiving a standard low-calorie diet + probiotic supplement; (4) the group receiving a standard low-calorie diet + placebo. Before the intervention and after 3 months, the study variables will be compared between groups. Anthropometric evaluation, spermogram evaluation, serum levels of androgens, sexual function, and quality of sexual life will be assessed at the beginning and at the end of the study.

Discussion

This trial will provide valuable evidence regarding the potential synergistic effects of the MIND diet and probiotic supplementation in managing male infertility associated with obesity. By evaluating both clinical fertility markers and patient-reported outcomes such as sexual function and quality of life, the study findings are expected to contribute to a better understanding of the role of lifestyle interventions in reproductive health, potentially offering a sustainable therapeutic approach for this population.

Ethical aspects

All the work procedures will be carried out in accordance with the guidelines recommended by the Ethics Committee of Mashhad University of Medical Sciences (IR.MUMS.REC.1402.341).

Trial registration

Iranian Registry of Clinical Trials IRCT20240313061277N1. Registered on 31 March 2024.