Seattle Startup Circulate Health Raises $12M to Expand $8,000-$10,000 Plasma Exchange Longevity Treatment

Seattle's Circulate Health raised $12 million in seed funding to expand its costly therapeutic plasma exchange service aimed at promoting longevity by cleaning blood plasma. The company partners with clinics across eight states and has delivered over 1,000 treatments since May 2024, although the procedure is not proven to slow aging or covered by insurance.

BBrad Younggren CCirculate Health 998point6