Rutin (also known as rutoside or quercetin-3-rutinoside) is a bioflavonoid found in various plants, such as buckwheat, citrus fruits, and the Japanese pagoda tree (Sophora japonica).

Sophora japonica, also known as the Japanese pagoda tree or Styphnolobium japonicum, is a plant species originally found in China and Japan. In this dietary supplement, the flower or bud extract of this tree is used.

This plant naturally contains a high level of rutin, particularly in the flower buds, making it a common choice for supplements.

Yes, NOW Foods Rutin 450 mg is completely plant-based and suitable for vegetarians and vegans.