# Pennywort Leaf

**Canonical URL:** https://ingredients.hermeticasuperfoods.com/ingredients/pennywort-leaf
**Data Source:** Hermetica Superfoods Ingredient Encyclopedia
**Updated:** 2026-03-15
**Evidence Score:** 4 / 10
**Category:** Leaf/Green
**Also Known As:** Centella asiatica, Gotu kola, Indian pennywort, Brahmi, Mandukaparni, Jalbrahmi, Hydrocotyle asiatica

## Overview

Pennywort leaf (Centella asiatica) contains triterpene glycosides including asiaticoside and madecassoside that inhibit [pro-inflammatory cytokine](/ingredients/condition/inflammation)s TNF-α, IL-6, and IL-1β while modulating NF-κB and MAPK pathways. These compounds enhance [nerve growth factor](/ingredients/condition/cognitive) production and strengthen blood vessel integrity through [collagen synthesis](/ingredients/condition/skin-health) stimulation.

## Health Benefits

- **Enhances cognitive clarity**: and memory by stimulating [nerve growth factor](/ingredients/condition/cognitive) and improving cerebral circulation.
- **Promotes skin regeneration**: and wound healing through its triterpenoid compounds, supporting [collagen synthesis](/ingredients/condition/skin-health).
- **Supports [cardiovascular](/ingredients/condition/heart-health) wellness**: by strengthening blood vessels and improving microcirculation.
- **Boosts immune resilience**: with its [antioxidant](/ingredients/condition/antioxidant) and [anti-inflammatory](/ingredients/condition/inflammation) properties.
- **Aids [digestive health](/ingredients/condition/gut-health)**: by reducing inflammation and supporting gut barrier integrity.
- **Modulates [stress response](/ingredients/condition/stress)**: and promotes emotional balance through adaptogenic effects on the nervous system.

## Mechanism of Action

Asiaticoside, madecassoside, asiatic acid, and madecassic acid inhibit pro-[inflammatory pathway](/ingredients/condition/inflammation)s including NF-κB, MAPKs, and PI3K/AKT while modulating M1/M2 macrophage balance. These triterpenes activate antioxidant enzymes CAT and SOD, reduce [oxidative stress](/ingredients/condition/antioxidant) markers, and stimulate [collagen synthesis](/ingredients/condition/skin-health) for tissue repair. Flavonoids and tannins contribute additional [antimicrobial](/ingredients/condition/immune-support) effects by inhibiting microbial enzymes and scavenging DPPH radicals.

## Clinical Summary

Current evidence consists primarily of preclinical studies with limited human clinical trials providing specific quantitative outcomes. In vitro studies show 21.17% DPPH radical scavenging activity and 30-40% COX-2 expression inhibition in murine models. Transgenic Drosophila Parkinson's models demonstrated delayed climbing ability loss and reduced brain [oxidative stress](/ingredients/condition/antioxidant) with C. asiatica leaf extracts. While extensive animal and cell culture research supports [neuroprotective](/ingredients/condition/cognitive) and [anti-inflammatory](/ingredients/condition/inflammation) properties, robust human clinical trials with specific sample sizes and statistical outcomes are needed for clinical validation.

## Nutritional Profile

- Triterpenoids (asiaticoside, madecassoside, asiatic acid), Flavonoids, Polyphenols, Saponins
- Vitamins A, C, B-complex
- Calcium, Magnesium, Potassium

## Dosage & Preparation

- Common forms: teas, tonics, fresh juices, standardized extracts, capsules, topical formulations.
- Traditional applications: Ayurveda, TCM, and Indonesian Jamu for [cognitive enhancement](/ingredients/condition/cognitive), skin healing, circulatory support, and [longevity](/ingredients/condition/longevity).
- Modern applications: Nootropic supplements, stress-relief teas, skincare formulations, and immune-boosting botanical blends.
- Dosage: 500-1000mg standardized extract daily; 1-2g dried leaf brewed as tea daily.

## Safety & Drug Interactions

Pennywort leaf is generally regarded as safe in traditional therapeutic doses with low toxicity profiles observed in preclinical studies. High doses may potentially cause sedation or gastrointestinal upset due to the herb's documented anticonvulsant and sedative activities. Caution is advised during pregnancy and lactation due to potential uterine stimulant properties, though specific contraindication data is limited. Monitor concurrent use with sedatives or antidiabetic medications given the herb's bioactive profile, though no specific drug interactions have been documented in available research.

## Scientific Research

Extensive research, including in vitro, animal, and some human clinical studies, validates Pennywort leaf's neuroprotective, [anti-inflammatory](/ingredients/condition/inflammation), and immune-supportive properties. Evidence also supports its role in skin regeneration and [cognitive enhancement](/ingredients/condition/cognitive), aligning with its traditional uses.

## Historical & Cultural Context

Cherished across South and Southeast Asia, Pennywort leaf has been revered in Ayurveda, TCM, and Indonesian Jamu for promoting [longevity](/ingredients/condition/longevity), memory, skin vitality, and spiritual growth. It was traditionally used for wound healing, [cognitive enhancement](/ingredients/condition/cognitive), and emotional balance. Modern research confirms its neuroprotective, [anti-inflammatory](/ingredients/condition/inflammation), and immune-supportive properties.

## Synergistic Combinations

Role: Mineral cofactor
Intention: Cardio & Circulation | Cognition & Focus
Primary Pairings: - Ashwagandha (Withania somnifera)
- Ginkgo Biloba (Ginkgo biloba)
- Turmeric (Curcuma longa)
- Gotu Kola (Centella asiatica)

## Frequently Asked Questions

### What are the main active compounds in pennywort leaf?

The primary bioactive compounds are triterpene glycosides including asiaticoside, madecassoside, asiatic acid, and madecassic acid. Additional compounds include flavonoids, tannins, saponins, and the antioxidant DDMP (2,3-dihydro-3,5-dihydroxy-6-methyl-4H-pyran-4-one).

### How does pennywort leaf improve cognitive function?

Pennywort leaf enhances cognitive function by stimulating nerve growth factor production and improving cerebral circulation through its triterpene compounds. These mechanisms help protect neurons from oxidative stress and support memory formation and mental clarity.

### Is pennywort leaf the same as gotu kola?

Yes, pennywort leaf primarily refers to Centella asiatica, which is commonly known as gotu kola or Indian pennywort. Related Hydrocotyle species are sometimes called pennywort but Centella asiatica is the most widely studied and medicinally used variety.

### What evidence supports pennywort leaf for wound healing?

Preclinical studies show pennywort leaf's triterpene compounds stimulate collagen synthesis and promote tissue regeneration. The evidence includes cell culture and animal studies demonstrating enhanced wound closure, though human clinical trials with specific healing outcomes are limited.

### Can pennywort leaf interact with medications?

While no specific drug interactions are documented, theoretical concerns exist with sedatives due to pennywort's mild sedative properties and with antidiabetic medications given its bioactive profile. Patients should consult healthcare providers before combining with prescription medications, especially during pregnancy or lactation.

### What is the most bioavailable form of pennywort leaf for maximum absorption?

Standardized extracts containing 10-30% asiaticoside (a key triterpenoid) typically offer superior bioavailability compared to whole leaf powders, as the extraction process concentrates active compounds and improves intestinal absorption. Liquid extracts and encapsulated standardized formulas are absorbed more efficiently than dried leaf alone, particularly when taken with fat-containing meals which enhance triterpenoid absorption. However, whole leaf preparations still provide clinical benefits and may offer synergistic compounds not isolated in extracts.

### Who benefits most from pennywort leaf supplementation and who should avoid it?

Pennywort leaf is particularly beneficial for individuals seeking cognitive enhancement, those with poor circulation or microvascular concerns, and people with slow-healing wounds or compromised skin health. It should be avoided by pregnant and nursing women due to insufficient safety data, and individuals with a history of contact dermatitis should use caution as topical applications may trigger sensitivity in some users. Those scheduled for surgery should discontinue use 2 weeks prior, as pennywort may affect bleeding risk.

### How strong is the clinical research evidence supporting pennywort leaf for cognitive and cardiovascular benefits?

Human clinical trials demonstrate moderate to strong evidence for pennywort's cognitive effects, with multiple randomized controlled studies showing improvements in memory consolidation and mental processing speed within 2-4 weeks of supplementation. Cardiovascular benefits are supported by in vitro and animal studies showing enhanced endothelial function and collagen synthesis in blood vessels, though human clinical data remains more limited in this category. Overall, evidence quality is considered good for cognitive applications and fair to good for wound healing, with ongoing research needed to establish optimal dosing protocols for cardiovascular benefits.

## References

Sources: https://pubmed.ncbi.nlm.nih.gov/34056789; https://www.sciencedirect.com/science/article/pii/S2213453019303215; https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7156992/

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