( Guava leaf extract)

Proven Anti-diabetic

  • Inhibits hydrolases (alpha-amylase, maltase, sucrase) thus controls blood glucose level.
  • Approved as IAFF (individually approved functional food) by the Korean FDA in Type II diabetes (Diabetes mellitus).

Shows significant hepato-protective activity

  • Tannins (Flavanoids), caryophyllene oxide & caryophyllene in the extracts are powerful free radical scavengers
  • Scavenging of free radicals significantly prevent the hepatotoxicity

In Digestive problems

  • Quercetin is effective as an anti-diarrheal by inhibiting intracellular calcium release
  • Tranquilizing effect on intestinal smooth muscle and inhibits the intestinal contraction
  • Morphine-like effect, by inhibiting the gastrointestinal release of chemicals in acute diarrheal disease
  • Lectin like chemicals were shown to bind to E-coli preventing its adhesion to the intestinal wall and thus preventing infection


  • Shaheen HM, Ali BH, Alqarawi AA, Bashir AK. ’Effect Of psidium guajava leaves on some aspects of the central nervous system in mice’. Phytotherapy research 14(2) 2000, 107-111.
  • Beckstrom-Sternberg, S. M., et al. “The phytochemical database.” (ACEDB version 4.3-Data version July 1994.)
  • National Germplasm Resources Laboratory (NGRL), Agricultural Research Service (ARS), U.S. Department of Agriculture.
  • Begum, S., et al. “Triterpenoids from the leaves of Psidium guajava.” Phytochemistry 2002; 61(4): 399-403.
  • Smith, Nigel J. H., et al. Tropical Forests and their Crops. London: Cornell University Press. 1992.
  • Nundkumar, N., et al. “Studies on the antiplasmodial properties of some South African medicinal plants used as
  • antimalarial remedies in Zulu folk medicine.” Methods Find Exp. Clin. Pharmacol. 2002; 24(7): 397-401.
  • Hypoglycaemic and hypotensive effects of Psidium guajava Linn. ( Myrtaceae ) leaf aqueous extracts. Ojewole, J.A.O.

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Disclaimer : These claims have not been evaluated by the Food and Drug Administration. These products are not intended to cure, mitigate, treat or prevent any disease