Evidence supporting the use of: Rhodola crenulata
For the body system: Parasympathetic Nervous System

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Synopsis

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

Rhodiola crenulata has a long history of use in traditional medicine systems, particularly in Tibetan and Chinese medicine, where it has been employed as an adaptogen to combat fatigue, improve stamina, and enhance resilience to stress. The traditional rationale suggests that by supporting the body's ability to adapt to stress, Rhodiola may indirectly support balance in the autonomic nervous system, including the parasympathetic branch. However, most of the historical use focuses on general vitality and stress adaptation rather than specifically targeting the parasympathetic nervous system.

Modern research on Rhodiola species (primarily Rhodiola rosea, with less data on R. crenulata) has explored their adaptogenic properties and their effects on stress-related biomarkers. Some studies indicate that Rhodiola extracts may modulate stress hormones such as cortisol, which could theoretically promote parasympathetic activity by reducing excessive sympathetic arousal. However, direct scientific evidence linking Rhodiola crenulata specifically to enhanced parasympathetic nervous system activity or function is limited. The available evidence is mostly extrapolated from its general adaptogenic and anti-fatigue effects.

In summary, the use of Rhodiola crenulata to support the parasympathetic nervous system is justified by traditional practices and indirect evidence related to stress reduction, but robust scientific validation for this specific application is lacking.

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