# Kalmegh (Andrographis paniculata)

**Canonical URL:** https://ingredients.hermeticasuperfoods.com/ingredients/kalmegh-andrographis-paniculata
**Data Source:** Hermetica Superfoods Ingredient Encyclopedia
**Updated:** 2026-03-18
**Evidence Score:** 8 / 10
**Category:** Other
**Also Known As:** Andrographis paniculata, King of Bitters, Green Chiretta, Chuan Xin Lian, Kirayat, Indian Echinacea, Creat, Bhui-neem

## Overview

Andrographis paniculata is a medicinal herb containing andrographolide as its primary bioactive compound. It supports [immune function](/ingredients/condition/immune-support) by enhancing T-cell activity and provides [hepatoprotective](/ingredients/condition/detox) effects through bile flow stimulation.

## Health Benefits

- Enhances immune response by increasing [T-cell](/ingredients/condition/immune-support) activity, which helps the body combat infections more effectively. - Reduces fever by inhibiting prostaglandin synthesis, providing a natural antipyretic effect. - Supports [liver health](/ingredients/condition/detox) 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](/ingredients/condition/inflammation) by suppressing cytokine production, which can help manage chronic inflammatory conditions. - Improves [digestive health](/ingredients/condition/gut-health) by stimulating digestive enzymes, enhancing nutrient absorption and reducing bloating. - Provides [antioxidant protection](/ingredients/condition/antioxidant) by neutralizing free radicals, reducing oxidative stress and cellular damage.

## 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](/ingredients/condition/inflammation) synthesis. In the liver, andrographolide stimulates choleretic activity by increasing bile acid synthesis through CYP7A1 enzyme activation.

## Clinical Summary

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](/ingredients/condition/detox) study with 60 subjects showed 28% improvement in ALT levels with standardized andrographolide extract. [Immune function](/ingredients/condition/immune-support) 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.

## Nutritional Profile

Kalmegh (Andrographis paniculata) is a medicinal herb with limited conventional macronutrient significance but rich in pharmacologically active bioactive compounds. Macronutrient composition per 100g dried leaf material: protein approximately 5-7g, carbohydrates approximately 55-60g (including complex polysaccharides), dietary fiber approximately 20-25g, fats approximately 1-2g, moisture approximately 8-10g. Primary bioactive compounds: Andrographolide (principal diterpenoid lactone) at 0.5-6% dry weight in leaves, with higher concentrations in aerial parts; Neoandrographolide at 0.1-0.5% dry weight; 14-deoxy-11,12-didehydroandrographolide at 0.1-0.3% dry weight; Andrograpanin at trace to 0.2% dry weight. Flavonoids include Apigenin, Luteolin, Quercetin, and 5-hydroxy-7,8-dimethoxyflavone at combined concentrations of 1-3% dry weight. Diterpene glycosides (andrographosides) present at 0.3-0.8% dry weight. Minerals: potassium approximately 300-400mg/100g, calcium approximately 150-200mg/100g, magnesium approximately 80-120mg/100g, iron approximately 15-25mg/100g, zinc approximately 2-4mg/100g. Vitamins: Vitamin C approximately 20-40mg/100g (variable, heat-sensitive), Vitamin E (tocopherols) approximately 5-10mg/100g, small amounts of B-complex vitamins. Bioavailability notes: Andrographolide has poor oral bioavailability (estimated 10-20%) due to low aqueous solubility and rapid first-pass [metabolism](/ingredients/condition/weight-management); absorption is enhanced when taken with piperine or lipid-based formulations; peak plasma concentration reached within 1.5-2 hours post-ingestion; standardized extracts typically contain minimum 10% andrographolide for therapeutic consistency. Polysaccharide fractions demonstrate [immunomodulatory](/ingredients/condition/immune-support) activity with moderate bioavailability. Bitter taste compounds (kalmeghin alkaloids) present at approximately 0.1-0.2% contribute to hepatostimulant activity.

## Dosage & Preparation

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

## Safety & Drug 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](/ingredients/condition/weight-management). Pregnancy and breastfeeding safety is not established, with animal studies suggesting potential uterine stimulant effects.

## Scientific Research

Research on Kalmegh indicates its potential in treating infections and [inflammatory](/ingredients/condition/inflammation) conditions. Some studies include RCTs demonstrating its efficacy in cold and flu treatment.

## Historical & Cultural Context

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.

## Synergistic Combinations

Turmeric, Ginger, Tulsi, Neem

## Frequently Asked Questions

### Does andrographis paniculata help with cold and flu symptoms?

Yes, clinical evidence supports andrographis paniculata's effectiveness against cold and flu symptoms. Randomized controlled trials have shown that andrographolide reduces nasal congestion, throat irritation, and overall symptom severity. The mechanism involves inhibiting cyclooxygenase enzymes to reduce prostaglandin synthesis, which lowers fever, while simultaneously enhancing T-cell activity to strengthen the immune response against viral pathogens. Most studies used standardized extracts at 400–600 mg per day, with symptom improvement typically observed within 3–5 days of supplementation.

### How does andrographis paniculata boost the immune system?

Andrographis paniculata enhances immunity primarily through its active compound andrographolide, which activates NF-κB signaling pathways to stimulate T-lymphocyte proliferation and cytokine production. This means the herb directly increases the number and activity of T-cells — immune cells critical for identifying and destroying pathogens. Additionally, it supports innate immune responses by modulating cytokine release, making it particularly useful during acute infections or periods of immune vulnerability such as seasonal illness.

### Can andrographis paniculata reduce fever naturally?

Andrographis paniculata has demonstrated natural antipyretic properties through a well-defined mechanism. Andrographolide inhibits cyclooxygenase (COX) and lipoxygenase enzymes, thereby reducing the synthesis of prostaglandins — signalling molecules responsible for raising body temperature. This mechanism is similar to how non-steroidal anti-inflammatory drugs (NSAIDs) work, but through a herbal pathway. While it may help manage mild to moderate fever, it should not replace medical treatment for high or persistent fevers, and professional guidance is recommended.

### Is andrographis paniculata safe for long-term use?

Current evidence suggests andrographis paniculata is generally safe for short-term use at 400–600 mg daily, with RCTs typically lasting 5–14 days. Long-term safety data is limited. Reported side effects at higher doses include headache, fatigue, diarrhoea, and potential effects on reproductive hormones in animal studies. Due to its bile-stimulating and liver-enzyme-modulating properties, prolonged use without monitoring is not advised. Consulting a healthcare provider before extended supplementation is strongly recommended, especially for individuals with liver conditions or those on medications.

### Can andrographis paniculata help with digestive issues like bloating?

Andrographis paniculata may support digestive health by stimulating the production of digestive enzymes, which can enhance nutrient absorption and reduce symptoms like bloating and sluggish digestion. Its choleretic action — increasing bile acid synthesis through CYP7A1 enzyme activation — also promotes fat emulsification and smoother digestive transit. While traditional Ayurvedic medicine has long used Kalmegh as a digestive bitter tonic, modern clinical evidence specifically for bloating is still emerging. A standard dose of 400–600 mg daily is used in practice.

### Does andrographis paniculata have antioxidant benefits?

Yes, andrographolide exerts antioxidant effects by neutralizing reactive oxygen species (free radicals) and reducing oxidative stress at the cellular level. This protects cells and tissues from oxidative damage linked to ageing, chronic disease, and inflammation. Additionally, its anti-inflammatory action — suppressing pro-inflammatory cytokine production — works synergistically with antioxidant activity to reduce overall cellular damage. While these effects are well-supported in preclinical studies, human clinical trials specifically targeting antioxidant outcomes remain an area of ongoing research.

### Who should avoid taking andrographis paniculata?

Certain populations should avoid or use andrographis paniculata with caution. Pregnant women should avoid it, as andrographolide has shown potential antifertility effects in animal studies. Individuals taking anticoagulants (blood thinners), immunosuppressants, or antihypertensive medications should exercise caution due to possible herb-drug interactions. People with autoimmune conditions should consult a doctor, as immune-stimulating effects may exacerbate their condition. Those with gallbladder disease should also be cautious given its bile-stimulating properties. Always consult a qualified healthcare provider before starting supplementation.

### What is andrographolide and why is it important in andrographis paniculata?

Andrographolide is the primary bioactive diterpene lactone compound found in Andrographis paniculata leaves and stems. It is responsible for the majority of the herb's therapeutic effects, including immune enhancement, anti-inflammatory activity, antipyretic action, and hepatoprotection. Andrographolide works by activating NF-κB signalling to boost T-cell activity, inhibiting COX and lipoxygenase enzymes to reduce inflammation, and activating CYP7A1 enzymes to stimulate bile production. When choosing a Kalmegh supplement, look for standardised extracts specifying andrographolide content — typically 10–30% — to ensure consistent potency and efficacy.

### What is the recommended dosage of andrographis paniculata for adults?

The typical recommended dosage of Andrographis paniculata extract is 400–600 mg per day. This range is based on standardised extracts containing andrographolide as the primary bioactive compound. Dosage may vary depending on the specific health goal, product formulation, and andrographolide concentration. Higher doses have been used in some clinical trials for acute infections, but exceeding recommended amounts without medical supervision is not advisable. Always consult a healthcare provider before starting supplementation, particularly if you have existing health conditions or take medications.

### Can andrographis paniculata help with liver health and detoxification?

Yes, andrographis paniculata has demonstrated hepatoprotective properties. The active compound andrographolide stimulates choleretic activity by activating CYP7A1 enzyme, which increases bile acid synthesis and promotes bile flow. This supports liver detoxification and has been associated with reductions in elevated liver enzyme levels. These mechanisms suggest potential benefit for individuals with mild liver stress or toxin exposure. However, clinical evidence in humans remains limited, and it should not replace medical treatment for diagnosed liver conditions. Consult a healthcare provider before use.

### Does andrographis paniculata have anti-inflammatory properties?

Yes, andrographis paniculata exhibits significant anti-inflammatory activity. Andrographolide inhibits cyclooxygenase (COX) and lipoxygenase (LOX) enzymes, reducing the synthesis of inflammatory prostaglandins and leukotrienes. Additionally, it modulates nuclear factor-κB (NF-κB) signalling, suppressing pro-inflammatory cytokine production. These dual mechanisms make it relevant for managing both acute and chronic inflammatory conditions. While preliminary evidence is promising, more large-scale human trials are needed to establish its efficacy for specific inflammatory diseases. Always seek professional guidance for managing chronic inflammation.

### Can I take andrographis paniculata with other supplements or medications?

Andrographis paniculata may interact with certain medications and supplements. Due to its immune-modulating effects, it could potentially amplify or interfere with immunosuppressant drugs. Its anti-inflammatory action via COX inhibition raises caution when combined with NSAIDs or anticoagulants, as it may enhance blood-thinning effects. Combining it with other liver-active herbs warrants care. There is insufficient clinical data on all possible interactions. Always disclose use of andrographis to your healthcare provider, particularly if you take prescription medications or have autoimmune conditions.

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*Source: Hermetica Superfoods Ingredient Encyclopedia — https://ingredients.hermeticasuperfoods.com*
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