Category
page 1Alchemical traditions
Rosicrucianism
thumb|Rose Cross

iatrochemistry
thumb|Frontispiece to Thomas Willis' 1663 book , a treatise on [[fermentation as a mysterious key to transformations (from mash to beer or from health to fevers), engraved and published by Gerbrandus Schagen in Amsterdam]]
Rasayana
In early ayurvedic medicine, rasāyana is one of the eight areas of medicine in Sanskrit literature.
Societas Rosicruciana in Anglia
Rosicrucian esoteric Christian order