I was doing some research today and found something that might be of interest.
Goji Berries are linked to increased sperm health, but as the initial posts stated it take about 3 months to help those little swimmers!
https://www.health-report.co.uk/goji_berry.htm
Initial Post by Dori:
https://community.thebump.com/cs/ks/forums/thread/47008128.aspx