 Vitamin D has been found to play a crucial role in male fertility. Studies have shown that vitamin D deficiency can lead to oxidative stress and gonadal insufficiency resulting in decreased sperm count, motility, and abnormal spermatogenesis. Additionally, animal studies have demonstrated that vitamin D supplementation can reduce oxidative stress and improve fertility outcomes. This article was authored by Maheen Shahid, Syed Amrahashmi, and Rihanna Raymond.