Selenium

The Effect of Nutrients and Dietary Supplements on Sperm Quality Parameters: A Systematic Review and Meta-Analysis of Randomized Clinical Trials.

Advances in nutrition (Bethesda, Md.)2018n = 28 articles for qualitative analysis, 15 for quantitative meta-analysis

Infertility affects about 15 percent of the world's population, which is what makes this question worth asking. This systematic review and meta-analysis pooled randomized trials testing whether nutrients, dietary supplements…