If you're among those guys who are seeking to boast their male fertility. So here is the good news for you. Fertility experts say there are many other natural ways from which man can boost his fertility. A major problem across the world which makes many people disturb is how to boost male fertility is now to be answered. Experts say, Walnuts are the only nut that is an excellent source of alpha-linolenic acid."The initial research we conducted regarding walnuts and male fertility found improvement in sperm parameters after adding walnuts to the diet and has set the stage for us to further explore the impacts of walnuts on male fertility and reproductive health," said Professor Wendie Robbins of the UCLA School of Nursing. Infertility is defined as a "disease of the reproductive system" and results in disability. Commenting on the study in 2012, Robbins said that 75 grams of walnuts consumed daily improved sperm vitality, motility, and morphology in a group of healthy young men between 21-35 years of age.