Fisetin is a flavonol, which means it belongs to the flavonoids group called polyphenols. It is responsible for the coloring in many different fruits and vegetables. It is considered to be a powerful antioxidant and is similar in many ways to supplements such as resveratrol, quercetin, apigenin, and luteolin. Fisetin may help support heart health, cholesterol, blood pressure, cognitive function, liver health, skin health, and bone health. Scientists are currently exploring Fisetin for its ability to support the aging process as well. Double Wood's Fisetin is Made / Tested in the USA, Non-Gmo, Gluten Free, and Vegan Friendly.