Synopsis

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

Punarnava (Boerhavia diffusa) is a notable herb in Ayurvedic medicine, traditionally used for its purported benefits to the lymphatic system and fluid balance. In Ayurveda, punarnava is classified as a "rasayana" (rejuvenative) and is believed to help reduce "kapha" (fluid retention), making it a common remedy for swelling and edema—conditions connected to lymphatic function. Classical Ayurvedic texts describe its use for "shotha" (inflammation/edema), which can involve the lymphatic system. The herb is also considered "mutrala" (diuretic), further supporting its traditional use in aiding the elimination of excess fluids from the body.

However, while these traditional uses clearly connect punarnava with the lymphatics, modern scientific studies validating these uses are limited and primarily focus on its diuretic, anti-inflammatory, and hepatoprotective effects in laboratory settings. Few clinical trials specifically assess its direct impact on the lymphatic system in humans. Therefore, while the herb is firmly rooted in traditional support for lymphatic health, robust scientific validation for this specific action is currently lacking. Most recommendations for punarnava's benefit to the lymphatics are thus based on its historical use rather than strong modern clinical evidence.

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Nature's Sunshine Joint Health (Ayurvedic)