Shankhpushpi (Convolvulus pluricaulis)

Tier 3 — weak evidence · Ayurveda · Cognition · Anxiety

A traditional Ayurvedic Medhya Rasayana (brain tonic) used for centuries to enhance memory and reduce anxiety. Contains shankhpushpine and convolamine. A 2024 randomised trial found 500 mg/day improved working memory scores by 18% over 8 weeks in healthy adults. Animal studies confirm anxiolytic and neuroprotective effects. Well tolerated with minimal side effects.

Dose: 500–1,000 mg/day standardised extract; 3–6 g/day as traditional churna