250 mg · vegan · gluten-free · 60 caps
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Sarpagandha (Rauwolfia serpentina), also called Indian Snakeroot, is a perennial shrub native to the Himalayan foothills and Deccan plateau. Its roots contain reserpine, an indole alkaloid that was the first plant-derived antihypertensive drug approved by the FDA in 1955. It remains a cornerstone of Ayurvedic treatment for hypertension and insomnia.
Reserpine and related alkaloids (ajmaline, serpentine) deplete catecholamines (norepinephrine, dopamine, serotonin) from sympathetic nerve endings and the brain. This reduces vascular tone (lowering BP) and CNS arousal (promoting sleep). The effect is gradual and sustained.
Individuals with stage 1–2 hypertension, stress-related high BP, or insomnia. Particularly relevant for Indians given high rates of salt-sensitive hypertension and stress-related cardiovascular disease.
People with depression or psychiatric disorders, those on MAO inhibitors, pregnant women, people with existing bradycardia or heart block. Side effects: May cause nasal congestion, dry mouth, drowsiness, depression at high doses, and bradycardia. These are well-known reserpine side effects.
A plain-English read of the literature behind this supplement. Not a clinical recommendation.
Key citations: PMID 32782448 (Antihypertensive & antihyperlipidemic in rats, 2020), PMID 32491699 (Reserpine pharmacology, StatPearls 2023), PMID 18140347 (Historical clinical trial, 1949)
SacredBod's longer take on Sarpagandha — context the structured blocks above don't capture.
Sarpagandha — the ‘Snake-Root’ — is arguably the most important medicinal plant in modern pharmacological history. Its alkaloid reserpine was the first plant-derived drug to treat hypertension, launching the entire field of antihypertensive therapy in 1955 and earning a Nobel Prize for its discoverers.
A 2020 study in Dose-Response gave aqueous methanolic Rauwolfia extract (100–200 mg/kg) to salt-induced hypertensive rats for 4 weeks. Both doses significantly reduced blood pressure compared to the high-salt control group, with effects comparable to atenolol (50 mg/kg). The extract also improved lipid profiles and showed hepatoprotective and renoprotective effects on histological examination.
Reserpine’s mechanism — depletion of catecholamines from sympathetic nerve endings — was so well-characterized that it became the foundation for understanding neurotransmitter biology. Modern antihypertensives have replaced reserpine due to side effects, but Sarpagandha in whole-herb form at lower doses retains therapeutic benefits with reduced risk.
Sarpagandha is described in Charaka Samhita as a medhya rasayana (brain tonic) and hridya (heart tonic). It is indicated for unmada (psychiatric disorders), apasmara (epilepsy), and raktagata vata (hypertension). The Ayurvedic Pharmacopoeia of India recognizes the root for hypertension, insomnia, and anxiety. In rural India, Sarpagandha root decoction remains a first-line home remedy for high blood pressure.
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