MannatechScience.com

Ingredient:

Japanese sophora bud

Japanese sophora bud. The flower buds of the Japanese sophora or pagoda tree, Sophora japonica, are a rich source of the bioflavonoid rutin. The buds have been used for centuries in Chinese cultures, and the tree is often used in bonsai horticulture 1.

References

  1. Natural Standard Database. www.naturalstandard.com. 2009.