Young-donor plasma, therapeutic plasma exchange and experimental plasma dilution are distinct interventions that marketing often collapses into one story.
Animal parabiosis experiments and the appealing idea of removing harmful age-related circulating factors.
No well-controlled evidence establishes young plasma as an anti-ageing treatment. Medical plasma exchange has defined indications that do not validate healthy-person rejuvenation.
Separate donor age, procedure, indication and endpoint before interpreting any claim.