This study is about understanding how **creatine** and **ubiquinol** can help improve **sperm quality** in men. Creatine and ubiquinol are natural substances that our bodies make, and they help in energy production and protecting cells from damage. The study will last for 8 weeks and includes taking creatine with or without ubiquinol. Men who are between 18 and 35 years old, have a healthy weight, and have had a sperm quality test can participate. It's important that participants haven't used dietary supplements in the last month and are willing to be randomly assigned to different groups in the study.

• Study lasts for 8 weeks.
• You must be willing to be in any of the groups (randomization).
• Participants shouldn't have taken dietary supplements recently.