Fisetin is a natural flavonol found in many fruits and vegetables with various benefits such as antioxidant anticancer neuroprotection effects.

For R&D use onlynot for drug household or other uses.

Fisetin (3 7 3 4-tetrahydroxyflavone) is a flavonol a structurally distinct chemical substance that belongs to the flavonoid group of polyphenols. It can be found in many plants where it serves as a colouring agent. It is also found in many fruits and vegetables such as strawberries apples persimmons onions and cucumbers. Its chemical formula was first described by Austrian chemist Josef Herzig in 1891.