What is the recommended dosage for Psyllium Husk?

General: 5-10 g/day (with adequate water); Ibs Support: 5-10 g/day (start low, titrate up over 1-2 weeks); Constipation: 10-20 g/day in divided doses with at least 240 mL water per dose

What are the side effects of Psyllium Husk?

Potential side effects include: Gas and bloating (common initially; start with low dose and titrate up), Esophageal/bowel obstruction if taken without adequate water (CRITICAL: always take with full glass of water), Abdominal cramping at high initial doses, May reduce appetite (feeling of fullness).

What is psyllium husk and how does it work for gut health?

Psyllium husk is a soluble fiber derived from the seeds of Plantago ovata. It absorbs water in the gut to form a viscous gel that softens stool, adds bulk, and promotes regular bowel movements. Unlike many other fibers, psyllium has the dual ability to help both constipation (by adding bulk and moisture) and diarrhea (by absorbing excess water). It is the active ingredient in products like Metamucil.

What is the recommended dosage of psyllium husk?

The typical dosage is 5-10 g of psyllium per day (approximately 1-2 tablespoons), taken with at least 8 ounces of water per serving. It is important to start with a lower dose and increase gradually to minimize gas and bloating. Psyllium should always be taken with adequate fluids to prevent intestinal obstruction. Benefits for regularity are usually seen within 24-72 hours.

Are there side effects or interactions with psyllium husk?

Psyllium may cause gas, bloating, and cramping, especially when starting or increasing the dose too quickly. Taking psyllium without sufficient water can lead to choking or intestinal obstruction. It may reduce the absorption of certain medications (lithium, digoxin, carbamazepine, and others), so medications should be taken 1-2 hours before or after psyllium. Rare allergic reactions have been reported.

Psyllium Husk
Psyllium Husk

fiber

别名: Ispaghula Husk, Metamucil, Plantago ovata, Fybogel

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About

Psyllium husk is a soluble, gel-forming fiber derived from the seed husks of Plantago ovata. It is one of the most extensively studied fibers for digestive health, recommended by both the AGA and ACG guidelines for chronic constipation and IBS. Research suggests psyllium may help normalize stool consistency by absorbing water, increase fecal bulk weight by 3-5 times, and support regular bowel movements.

How It Works

Soluble gel-forming fiber that absorbs water to normalize stool consistency (softens hard stools, firms loose stools); increases fecal bulk weight by 3-5x; fermented to SCFAs by colonic bacteria; slows colonic transit in diarrhea and accelerates in constipation (bidirectional effect).

Evidence For Conditions

健康状况	等级	研究数量	受试者
Chronic Constipation	A	18	1400	查看 →
Irritable Bowel Syndrome (IBS)	B	8	900	查看 →

Side Effects

Gas and bloating (common initially; start with low dose and titrate up)
Esophageal/bowel obstruction if taken without adequate water (CRITICAL: always take with full glass of water)
Abdominal cramping at high initial doses
May reduce appetite (feeling of fullness)

Drug & Supplement Interactions

May reduce absorption of medications if taken simultaneously (space 1-2 hours)
Lithium (reduced absorption)
Carbamazepine (reduced absorption)
Diabetes medications (may enhance blood sugar lowering; monitor glucose)

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Related Ingredients

Partially Hydrolyzed Guar Gum (PHGG)

速览

剂量: General: 5-10 g/day (with adequate water); Ibs_Support: 5-10 g/day (start low, titrate up over 1-2 weeks); Constipation: 10-20 g/day in divided doses with at least 240 mL water per dose
剂型: powder capsule wafer husk (whole)
天然来源: Plantago ovata plant husks (grown primarily in India), Available as processed supplement
上限: Well-tolerated up to 30 g/day with adequate fluid intake
最佳时间: With meals and a full glass of water (240 mL minimum); space 1-2 hours from medications

证据摘要

Chronic Constipation A

Irritable Bowel Syndrome (IBS) B

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