The Herbal LexiconAssociation & certification
Japan Root Herb Association
JRHA（日本ルートハーブ協会）
JRHA (Japan Root Herb Association) is the body that advocates the RootHerb® concept and conducts research, education, and on-site training on traditional medicine and herbal-sauna culture in Thailand and beyond.
Its aim is to spread, in Japan, the difference between aroma-led green herbs and RootHerbs used through the root.