The YO Sperm Test Refill Pack - Purchase It Here

YO Refill Kit


Lifestyle changes can significantly impact your sperm count and motility.  Track your progress with a 2 or 4-test refill kit using your previously purchased YO device.

This item only contains refill testing supplies and requires that you already have purchased a YO Home Sperm Test Kit


  • Free shipping
  • Discreet packaging
  • Expert customer support

Yo sperm kit

YO SPERM KIT is currently shipping to:

For orders outside the United States please visit our official eBay store

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