Synopsis

Source of validity: Traditional
Rating (out of 5): 2

Cassia, which may refer to several species including Cinnamomum cassia (Chinese cinnamon) or Senna species, has a long history of use in traditional medicine systems, particularly in Traditional Chinese Medicine (TCM). In TCM, Cassia bark (known as "Rou Gui") is believed to have warming properties and is sometimes used to support digestion and stimulate appetite, particularly in individuals with "Spleen Yang deficiency"—a pattern associated with poor appetite, fatigue, and coldness. However, the specific evidence for Cassia's appetite-stimulating effects is largely anecdotal and based on traditional usage rather than rigorous scientific studies. Most modern research on Cassia has focused on its potential for blood glucose regulation, antimicrobial activity, or use as a flavoring agent, not on appetite stimulation. There are a few animal studies on cinnamon species that suggest possible effects on gastrointestinal function, but these are indirect and not directly linked to appetite improvement in humans. Therefore, the evidence for using Cassia specifically to treat deficient appetite is primarily traditional, with little to no robust scientific validation at this time.

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