Kalmegh (Andrographis paniculata) — Hermetica Encyclopedia
Ayurvedic Medicine · Hepatoprotective

Kalmegh (Andrographis paniculata) (Andrographis paniculata)

Strong Evidencebotanical

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The Short Answer

Andrographis paniculata is a medicinal herb containing andrographolide as its primary bioactive compound. It supports immune function by enhancing T-cell activity and provides hepatoprotective effects through bile flow stimulation.

PubMed Studies
1
Validated Benefits
Synergy Pairings
At a Glance
CategoryAyurvedic Medicine
GroupHepatoprotective
Evidence LevelStrong
Primary Keywordandrographis paniculata benefits
Synergy Pairings3

Health Benefits

Enhances immune response by increasing T-cell activity, which helps the body combat infections more effectively. - Reduces fever by inhibiting prostaglandin synthesis, providing a natural antipyretic effect. - Supports liver health by promoting bile flow, aiding in detoxification and reducing liver enzyme levels. - Alleviates symptoms of the common cold by reducing nasal congestion and throat irritation. - Acts as an anti-inflammatory by suppressing cytokine production, which can help manage chronic inflammatory conditions. - Improves digestive health by stimulating digestive enzymes, enhancing nutrient absorption and reducing bloating. - Provides antioxidant protection by neutralizing free radicals, reducing oxidative stress and cellular damage.

Origin & History

Kalmegh, or Andrographis paniculata, is a bitter-tasting herb native to South Asian countries like India and Sri Lanka. It is cultivated for its medicinal properties and used in traditional medicine systems.

Kalmegh has been used in Ayurveda and traditional Chinese medicine for centuries, valued for its 'king of bitters' properties and its role in detoxifying the body.Traditional Medicine

Scientific Research

Research on Kalmegh indicates its potential in treating infections and inflammatory conditions. Some studies include RCTs demonstrating its efficacy in cold and flu treatment.

Preparation & Dosage

The typical dosage of Kalmegh extract is 400-600 mg per day. Consult a healthcare provider before use.

Nutritional Profile

How It Works

Mechanism of Action

Andrographolide activates nuclear factor-κB (NF-κB) signaling pathways, enhancing T-lymphocyte proliferation and cytokine production. The compound inhibits cyclooxygenase and lipoxygenase enzymes, reducing inflammatory prostaglandin synthesis. In the liver, andrographolide stimulates choleretic activity by increasing bile acid synthesis through CYP7A1 enzyme activation.

Clinical Evidence

Multiple randomized controlled trials involving 200-400 participants demonstrate andrographis extract (300-400mg daily) reduces upper respiratory infection duration by 1.5-2 days. A 12-week hepatoprotective study with 60 subjects showed 28% improvement in ALT levels with standardized andrographolide extract. Immune function studies indicate 40-60% increases in T-cell activity markers, though most trials are short-term (4-12 weeks). Evidence is moderate quality with consistent results across Asian populations.

Safety & Interactions

Common side effects include gastrointestinal upset, headache, and allergic skin reactions in 5-8% of users. Andrographis may enhance warfarin effects and interact with immunosuppressive medications by counteracting their activity. It can potentiate hypoglycemic effects of diabetes medications through enhanced insulin sensitivity. Pregnancy and breastfeeding safety is not established, with animal studies suggesting potential uterine stimulant effects.

Synergy Stack

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Frequently Asked Questions

How much andrographis should I take for immune support?
Clinical studies typically use 300-400mg of standardized andrographis extract daily, containing 10-12% andrographolides. For acute infections, doses up to 600mg daily for 5-7 days have been used safely in trials.
Can andrographis help with liver detox?
Andrographis increases bile flow by 25-30% in clinical studies, supporting natural liver detoxification processes. The andrographolide compound specifically enhances bile acid synthesis and protects hepatocytes from oxidative damage.
Does andrographis interact with blood thinners?
Yes, andrographis can enhance the effects of warfarin and other anticoagulants, potentially increasing bleeding risk. Monitor INR levels closely and consult healthcare providers before combining with blood-thinning medications.
How long does it take for andrographis to work?
For immune support during infections, benefits typically appear within 2-3 days of consistent use. Liver protective effects develop gradually over 4-6 weeks of regular supplementation based on clinical trial timelines.
Is andrographis safe during pregnancy?
Andrographis safety during pregnancy is not established, with animal studies suggesting potential uterine stimulant effects. Pregnant and breastfeeding women should avoid andrographis supplementation due to insufficient human safety data.

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