Synopsis

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

Gastrodia elata, known in Traditional Chinese Medicine (TCM) as "Tian Ma," has a long history of use for calming the spirit, treating headaches, dizziness, and supporting neurological health. In TCM, this herb is believed to pacify internal wind and is commonly used in formulas designed to relax the nervous system, which loosely corresponds to supporting parasympathetic activity in Western terms. The idea that Gastrodia supports the parasympathetic nervous system specifically is rooted in these traditional practices rather than robust modern scientific validation.

Modern research has explored Gastrodia’s neuroprotective effects and its ability to modulate neurotransmitters, but direct evidence linking Gastrodia to activation or support of the parasympathetic nervous system is limited. Most studies focus on its anticonvulsant, anti-inflammatory, and antioxidative properties in animal models or in vitro. While these findings suggest a calming effect on the central nervous system, which could be interpreted as indirectly supporting the parasympathetic system, there is insufficient scientific data to make a direct connection. Thus, its use for this purpose is primarily justified by traditional medicine, with moderate anecdotal and preclinical support but lacking strong clinical evidence.

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