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Cayenne

Cayenne is the pungent, fiery red fruit of *Capsicum frutescens*, native to the tropical Americas and now cultivated throughout the tropics. First introduced to Europe from Columbus's voyages to...

Cinnamon

Cinnamon is the aromatic inner bark of several evergreen trees in the *Cinnamomum* genus, native to Sri Lanka and Southeast Asia. The spice has been prized for over 4,000 years—so valuable that it...

Echinacea

Echinacea is one of the most widely used medicinal herbs in North America and Europe, derived from several species of purple coneflower native to the Great Plains. The genus name comes from the...

Elderberry

Elderberry is derived from a deciduous shrub (*Sambucus nigra*) native to Europe, now found in temperate regions worldwide. Known traditionally as "Nature's medicine chest," both the flowers and...

Ginger

Ginger is the pungent, aromatic rhizome of *Zingiber officinale*, a perennial plant native to Southeast Asia that has been cultivated for well over 5,000 years. Though commonly called a root, the...

Vitamin C

Vitamin C (ascorbic acid) is a water-soluble essential vitamin that humans cannot synthesize and must obtain through diet or supplementation. Found naturally in citrus fruits, berries, and...