The first thing people notice when vitamin C is doing its job is not some dramatic movie-scene miracle. It is the small stuff: less dead-weight heaviness by evening, fewer icy toes under the blanket, and a little more life in the lower legs when they get up from the couch.
The $100-billion wellness machine barely whispers about a fruit that grows in plain sight, because there is no profit empire in telling you the body can rebuild its own vessel lining with basic raw material.