Veratramine (Veratrum Steroidal Alkaloid · Historical Antihypertensive · Informational)
| Compound | Veratramine |
| Chemical class | Alkaloid — Steroidal Alkaloid (Jervanine-type; non-teratogenic reduced form) |
| CAS | 60-70-8 |
| Primary source | Veratrum viride (American false hellebore), Veratrum album, Veratrum californicum |
| Key applications | Informational reference — Veratrum cardiovascular depressant; not a supplement ingredient |
| Claim strength | Emerging (historical pharmaceutical); Informational only |
| Typical form | Not a supplement ingredient; historical pharmaceutical antihypertensive (withdrawn) |
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Name origin: From Veratrum (the genus). Veratramine is the non-teratogenic steroidal alkaloid from Veratrum — structurally related to jervine but lacking the 11-ketone and the D/E ring fusion that confer Hedgehog pathway inhibitory activity. Veratramine was the basis for pharmaceutical veratrum alkaloid preparations used for hypertension treatment in the 1940s–1960s before being replaced by safer antihypertensives. Historical pharmaceutical context: Veratramine and related veratrum alkaloids (cryptenamine, protoveratrine A and B) were used as pharmaceutical antihypertensives in the 1940s–1960s (Veriloid, Unitensen brands). Their mechanism — vagal afferent activation via sodium channel stimulation (Bezold-Jarisch reflex) — produced blood pressure reduction but with a very narrow therapeutic index: at effective antihypertensive doses, nausea, vomiting, and hypotension were severe. The drugs were withdrawn as safer antihypertensives (thiazides, beta-blockers, calcium channel blockers) became available. Supplement status: Veratramine and other Veratrum alkaloids are not supplement ingredients. All Veratrum plant preparations pose serious safety risks.
Veratramine — Scientific and Historical Context
Bezold-Jarisch reflex — hypotensive mechanism: Veratramine activates type C vagal afferent fibres via sodium channel stimulation, triggering the Bezold-Jarisch reflex: simultaneous bradycardia, peripheral vasodilation, and hypotension. This reflex antihypertensive mechanism was exploited pharmaceutically but was too unpredictable and had too narrow a therapeutic window for clinical use. The Bezold-Jarisch reflex remains physiologically important as a cardioprotective reflex mechanism, and veratramine is used as a research tool to study this reflex. Research reference.
Cancer research context: Veratramine has attracted recent attention as a weak Hedgehog pathway inhibitor and for antiproliferative activity in cancer cell lines. These effects are weaker than cyclopamine/jervine. No pharmaceutical development programme for veratramine in oncology is known. Emerging research context.
Cardiovascular toxicity: At doses above the antihypertensive range, veratramine causes severe cardiovascular depression, profound hypotension, and potentially fatal arrhythmias. This was the primary reason pharmaceutical veratrum alkaloid preparations were withdrawn. No modern pharmaceutical or supplement context justifies veratramine exposure. Critical safety reference.
This compound is documented for research and formulator education purposes. For commercially available botanical ingredients, explore the HerbIQ Compound Index →
Frequently Asked Questions — Veratramine
Why were veratrum alkaloid antihypertensives withdrawn from use?
The veratrum alkaloid antihypertensives (Veriloid, Unitensen) were effective but had severe side effects: nausea, vomiting, and dangerous hypotension at therapeutic doses made them intolerable for most patients. The introduction of safer and better-tolerated antihypertensives — thiazide diuretics (1957), beta-blockers (1964), calcium channel blockers (1969) — rapidly displaced veratrum alkaloids from clinical use. Today’s antihypertensive armamentarium makes veratrum alkaloid treatment completely unnecessary.
Is veratramine less dangerous than jervine or cyclopamine?
Veratramine is considerably less teratogenic than jervine or cyclopamine — it does not significantly inhibit the Hedgehog pathway at relevant concentrations and does not cause cyclopia in animal models. However, veratramine is still highly toxic via cardiovascular depression (Bezold-Jarisch reflex activation). “Less teratogenic” does not mean safe — veratramine’s cardiovascular toxicity profile precludes supplement use.
Do any traditional preparations use Veratrum viride?
Veratrum viride (American false hellebore, Indian poke) was used by some Native American peoples in very small doses as an emetic and for specific ceremonial purposes. Early American physicians used V. viride tinctures (veratrinum) for typhoid fever and inflammatory conditions — exploiting the Bezold-Jarisch reflex’s fever-reducing effects. None of these traditional applications translate to modern supplement use, and the toxicity profile makes all traditional Veratrum preparations high-risk for modern commercial formulation.
How should formulators handle botanical raw materials from Veratrum-growing regions?
The primary commercial risk is adulteration — Veratrum species growing alongside edible mountain plants (gentian, wild garlic, wild onion) can contaminate botanical harvests. For mountain-region botanicals (gentian root, wild garlic, wild alliums), authentication via HPLC alkaloid profile (detection of veratrum steroidal alkaloids indicates contamination) or PCR/DNA barcoding is the appropriate quality control measure. HPLC methods for veratrum alkaloid detection in botanical raw materials are available and should be specified in quality agreements for high-risk mountain-region botanicals.
Related compounds: Jervine, Cyclopamine, Solanine, Conessine
Claim-strength scale – High = multiple human RCTs; Moderate = limited trials or strong preclinical convergence; Emerging = early-stage lab or animal data.
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