Names & Classification
- Botanical Name
- Plantago ovata
- Sanskrit Name
- Isabgol / Ashwakarna
- English Name(s)
- Psyllium / Isabgol
- Family
- Plantaginaceae
- Part Used
- Seed husk
About This Herb
Psyllium husk is one of the most thoroughly studied dietary fibers in the world. It absorbs up to 20 times its weight in water, forming a gentle gel that supports both constipation and diarrhea. The FDA has approved its health claim for cholesterol reduction, making it one of the few supplements with this distinction.
Where It Grows
Native to the Mediterranean and West Asian regions. Extensively cultivated in India, particularly in Rajasthan, Gujarat, and Madhya Pradesh. Also grown in Pakistan, Iran, and other arid/semi-arid regions. Requires well-drained soils and relatively dry climate conditions. The plant adapts well to sandy soils and requires moderate temperatures.
Ayurvedic Profile
Knakwn as Ashwakarna ('horse ear,' describing the seed shape) or Isabgol. Classified as Grahi (absorbent) and Snigdha (moistening) – the rare combination of absorbing excess while also lubricating. Used in Ayurveda for Atisara (diarrhea), Vibandha (constipation),mand as a Pitta-shamaka. Rasa: Madhura (Sweet), Kashaya (Astringent). Virya: Sheeta (Cooling). Vipaka: Madhura (Sweet). Dosha: Tridoshic.
Key Benefits
Bowel regulation, cholesterol reduction, blood sugar modulation, prebiotic fiber
Research & Studies
The following research highlights scientific validation of traditional uses
Effect of psyllium (Plantago ovata) fiber on LDL cholesterol and alternative lipid targets, non-HDL cholesterol and apolipoprotein B: a systematic review and meta-analysis of randomized controlled trials
Authors: Multiple authors
Journal: The American Journal of Clinical Nutrition (2019)
Meta-analysis of 28 randomized controlled trials with 1,924 participants showing that a median dose of ~10.2 g psyllium daily significantly reduced LDL cholesterol, non-HDL cholesterol, and apolipoprotein B.
The role and therapeutic effectiveness of Plantago ovata husk (psyllium husk) in the prevention and non-pharmacological treatment of gastrointestinal diseases. Part 2. Clinical use of psyllium husk in the treatment of constipation and diarrhea
Authors: Multiple authors
Journal: PMC/NIH (2024)
Comprehensive review establishing psyllium as the gold standard fiber for chronic idiopathic constipation, FDA-approved as over-the-counter drug, with dosage of 10-15 g/day in divided doses most commonly indicated.
Effects of psyllium vs. placebo on constipation, weight, glycemia, and lipids: A randomized trial in patients with type 2 diabetes and chronic constipation
Authors: Multiple authors
Journal: ScienceDirect (2018)
Randomized controlled trial in type 2 diabetes patients with chronic constipation showing psyllium effectiveness for bowel regulation, glucose control, and lipid management.
The efficacy of Plantago ovata as a regulator of intestinal transit: A double-blind study compared to placebo
Authors: Multiple authors
Journal: Clinical study database (1992)
Double-blind study of 20 patients with chronic constipation and/or IBS receiving Plantago ovata, showing all patients had good results versus only one in placebo group, with stool frequency increasing from 2.5±1 to 8±2.2 stools per week.
Products Containing Psyllium / Isabgol
- Isabgol (Food)
Disclaimer: This information is for educational purposes only and is not intended to diagnose, treat, cure, or prevent any disease. Please consult with a qualified healthcare provider before using any herbal supplements, especially if you are pregnant, nurking, taking medications, or have pre-existing health conditions.
These statements have not been evaluated by the Food and Drug Administration. This information is for educational purposes only and is not intended to diagnose, treat, cure, or prevent any disease.