Hilin Life Products

Hilin Life Products is a private women's health and fertility technology company focused on ovulation prediction and fertility monitoring. The company markets KNOWHEN, an FDA-cleared reusable saliva-based ovulation test and companion fertility app designed to help women identify ovulation timing naturally and support pregnancy planning. Its business appears centered on over-the-counter medical devices and digital tools rather than therapeutics. Available sources indicate the company positions itself within FemTech and digital health, with patented ovulation-monitoring technology and additional fertility-related devices in development. The company is headquartered in Newark, New Jersey and appears to remain active as a private business.