Bio-Botanica, Inc. Fennel Seed In Glycerin is a product under the plant family Umbelliferae, with the Latin name Foeniculum vulgare. Its key chemical constituents include phenols, phenolic glycosides, and volatile aroma compounds like trans-anethole, estragole, and fenchone. This product is designed for the food/beverage/dietary supplement functional category of digestive support.