Benifuki green tea powder from Yakushima, a world heritage island.
Benifuki has rich methylated catechin, and one clinical trial implies it improves allergy symptoms. According to the trial, taking benifuki and ginger seems to work on allergy better than taking benifuki only.
Benifuki cultivar was developed for black tea and half-fermented tea from tea seeds from India. Methylated catechin has disappeared in the fermented process, so recommend to take it as green tea or half-fermented tea for your allergy.
This cultivar has a strong bitter and astringent taste.