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Brahmi

Wetlands of India and South Asia; Bacopa monnieri, a creeping herb of the plantain family, also known as water hyssop; the aerial parts are used.

ImmunityStress & Sleep

BrahmiBrahmiBrahmiBrahmi

Names in Different Languages

EnglishBrahmi
Urduبراہمی
Hindiब्राह्मी
Farsiبراهمی
UnaniBrahmi
FrenchBrahmi
GermanBrahmi

Traditional Uses

In Ayurveda, brahmi is a classical medhya rasayana (brain tonic), used for centuries to support memory, learning, concentration and calm, and for anxiety, insomnia and nervous exhaustion; it is also used in Unani medicine for similar purposes.

Modern Research

Bacosides A and B are the main studied compounds. Bacopa is one of the best-studied Ayurvedic herbs for cognition: systematic reviews and meta-analyses generally find small-to-moderate benefits in memory, delayed recall and attention after 8-12 weeks, though not every domain improves in every trial. A 2026 randomised trial also found improved stress, mood, anxiety and sleep quality with a standardized extract. NCCIH notes the evidence is not definitive and products vary widely.

Uses

  • Memory and concentration support
  • Stress and anxiety support
  • Sleep quality support
  • Calm and nervous-system tonic (traditional)

Benefits of Use

  • Stress-sleep support: a 2026 randomised trial (50 adults, 84 days) reported lower perceived stress, better sleep quality and lower cortisol with a standardized extract
  • Memory support: meta-analyses of 9 randomised trials report small-to-moderate improvements in memory consolidation, delayed recall and attention speed
  • Anxiety support: trials report reduced anxiety scores alongside lower cortisol after 4-12 weeks of daily use
  • Calm support: adaptogen action on the stress (HPA) axis may explain its calming and sleep-supporting effects

Safe Dose & Overdose (mg/g)

Raw Herb Form

Safe: 1,000-3,000 mg/day dried aerial parts (1-3 g/day); tea: about 2,000 mg dried leaf per cup, steeped 5-7 minutes; traditional Ayurvedic leaf powder range 125-1,000 mg/day.

Overdose: Not established

Extract Form

Safe: 300-600 mg/day standardized extract (20-55% bacosides); most clinical trials used about 300 mg/day with meals for 6-12 weeks.

Overdose: Not established

Side Effects

  • Digestive upset: nausea, stomach cramps, loose stools and increased bowel movements (most common)
  • Headache, dry mouth and fatigue in some users
  • Sleep changes or vivid dreams in some users
  • Slow heart rate (bradycardia) possible; avoid in pregnancy and breastfeeding due to insufficient safety data

Interactions

  • Sedatives and benzodiazepines: may add to drowsiness
  • Thyroid medicines (levothyroxine): bacopa may raise thyroxine levels; use with caution in hyperthyroidism
  • Acetylcholinesterase inhibitors: may add to cholinergic effects and worsen slow heart rate
  • Antidepressants (SSRIs, SNRIs): theoretical risk of serotonin syndrome from serotonergic activity

Sources

Disclaimer

General information only — not medical advice. Consult a qualified healthcare professional before use.

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