Approved as IAFF by the Korean FDA. In Japan it is already in use as tea. The KFDA approved GUAVARIN ® that it supports healthy blood sugar levels by inhibiting hydrolases (alpha-amylase, maltase, sucrase)
Anti inflammatory - Preliminary studies on the anti inflammatory properties of Guava leaf extract have indicated that the extract is involved with the inhibition of iNOS andCOX-2 (inflammatory agents).
Guaijaverin, a flavanoid compound present in Guava leaves inhibits the growth of Streptococcus mutans, which is considered to be a pathogen for dental caries.
Hepato-protective activity - Tannins (Flavanoids), caryophyllene oxide & caryophyllene in the extracts are powerful free radical scavengers that prevent hepatotoxicity.