hormonal-health
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The Fertility Nurse Who Turned a Broken Vitamin Aisle Into a Women's Health Company
A fertility-clinic nurse kept getting asked the same question about vitamins she couldn't answer well. So she built the answer - a personalized supplement company with a clinician on the other end of the chat.
Parsley Health
Parsley Health is a functional-medicine telehealth provider founded in 2016 by physician Dr. Robin Berzin. It pairs in-depth diagnostics and biomarker testing with longitudinal, team-based care - doctors plus health coaches - to find and treat the root causes of chronic conditions like gut, autoimmune, hormonal, metabolic and mental-health issues, rather than just managing symptoms. Originally a cash-pay membership model with clinics in New York and Los Angeles, Parsley has shifted to a virtual-first national service and in 2026 became the first functional-medicine provider to accept insurance in-network nationwide, putting its care within reach of roughly 150 million insured Americans.