If you're looking for natural ways to improve sperm count, lifestyle changes play a huge role. Getting proper sleep, exercising regularly, and eating a balanced diet rich in Vitamin D and antioxidants Oxidative stress and male infertility Nature Reviews Urology Changes in Sperm Glutathione and Glutathione Redox States Correlate to Poor Sperm Qualitative Measures Glutathione improves testicular spermatogenesis through inhibiting oxidative stress, mitochondrial damage, and apoptosis induced by copper deposition in mice with Wilson disease ScienceDirect