# Asiatic acid

**Canonical URL:** https://ingredients.hermeticasuperfoods.com/ingredients/asiatic-acid
**Data Source:** Hermetica Superfoods Ingredient Encyclopedia
**Updated:** 2026-03-30
**Evidence Score:** 2 / 10
**Category:** Compound
**Also Known As:** 2α,3β,23-trihydroxyurs-12-en-28-oic acid, Asiatic acid triterpene, Centella asiatica triterpene, AA, Gotu kola acid, Centelloside aglycone, Ursolic acid derivative

## Overview

Asiatic acid is a pentacyclic triterpene derived primarily from Centella asiatica that exerts anticancer, [neuroprotective](/ingredients/condition/cognitive), and [anti-inflammatory](/ingredients/condition/inflammation) effects. Its primary mechanisms involve modulation of the PI3K/AKT/mTOR signaling cascade, upregulation of tumor suppressor proteins P53 and P21, and induction of [mitochondrial](/ingredients/condition/energy) apoptotic pathways.

## Health Benefits

• Induces cell cycle arrest and apoptosis in cancer cells by upregulating P53 and P21 proteins [2]. • Suppresses PI3K/AKT/mTOR signaling, which may inhibit tumor growth [2]. • Increases [reactive oxygen species](/ingredients/condition/antioxidant) (ROS) leading to apoptosis in gastric cancer cells [2]. • Triggers [autophagy](/ingredients/condition/longevity) and apoptosis via mTOR pathway suppression [2]. • Inhibits breast cancer cell migration by blocking WAVE3 activation [2].

## Mechanism of Action

Asiatic acid upregulates P53 and P21 proteins to induce G1-phase cell cycle arrest and trigger caspase-dependent apoptosis in malignant cells. It suppresses the PI3K/AKT/mTOR signaling axis, reducing phosphorylation of downstream effectors S6K1 and 4E-BP1, thereby limiting tumor cell proliferation and survival. Additionally, asiatic acid elevates intracellular [reactive oxygen species](/ingredients/condition/antioxidant) (ROS) levels, particularly in gastric cancer cells, and activates [autophagy](/ingredients/condition/longevity) through Beclin-1 and LC3-II upregulation, creating a dual cell death mechanism.

## Clinical Summary

The majority of evidence for asiatic acid comes from in vitro cell culture studies and rodent models rather than human clinical trials, limiting direct translation to clinical practice. Animal studies have demonstrated tumor growth suppression in xenograft models at doses ranging from 25–100 mg/kg, with significant reductions in tumor volume and Ki-67 proliferation markers. A small number of preclinical pharmacokinetic studies indicate poor oral bioavailability due to low aqueous solubility, prompting research into nanoparticle delivery systems. No large-scale randomized controlled trials in humans have been completed, so efficacy claims remain preliminary and evidence strength is currently low to moderate.

## Nutritional Profile

Asiatic acid is a pentacyclic triterpenoid compound (molecular formula: C30H48O5, molecular weight: 488.7 g/mol), not a conventional nutritional ingredient and therefore does not contain macronutrients, vitamins, or minerals in a dietary sense. It is a pure bioactive compound isolated primarily from Centella asiatica (Gotu kola). As a triterpenoid, it is lipophilic in nature, contributing to its classification within the broader terpenoid/steroid structural family. Typical concentration in Centella asiatica dry herb ranges from 0.1% to 0.9% by weight, depending on extraction method and plant part used. Asiatic acid is one of four major bioactive triterpenoids in Centella asiatica, alongside asiaticoside, madecassoside, and madecassic acid. Oral bioavailability is moderate and limited by poor water solubility (log P approximately 4.5–5.0), though nanoparticle formulations and lipid-based delivery systems have been shown to enhance absorption significantly. Peak plasma concentration (Tmax) occurs approximately 1–2 hours post-oral administration in animal models. It undergoes hepatic first-pass [metabolism](/ingredients/condition/weight-management) and is partially conjugated with glucuronic acid. No caloric value, protein, fiber, or micronutrient content is associated with this compound as a standalone isolate.

## Dosage & Preparation

The research does not provide clinically studied dosage ranges for asiatic acid in humans. Without access to human clinical trial data, standardized dosing recommendations cannot be established. Consult a healthcare provider before starting any new supplement.

## Safety & Drug Interactions

Asiatic acid is generally considered well-tolerated in animal studies at moderate doses, but human safety data from controlled trials is limited. Because it inhibits CYP3A4 enzyme activity in vitro, it may potentiate the effects of drugs metabolized by this pathway, including certain statins, immunosuppressants, and chemotherapeutic agents. Its pro-apoptotic and ROS-generating activity theoretically warrants caution when combined with [antioxidant](/ingredients/condition/antioxidant) supplements or antiapoptotic medications, as these may counteract its mechanism. Pregnant or breastfeeding individuals should avoid supplementation due to the absence of reproductive safety data.

## Scientific Research

The research dossier does not include specific human clinical trials or meta-analyses with PMIDs. Evidence is primarily from in vitro studies and mechanistic research, lacking direct human study data.

## Historical & Cultural Context

Asiatic acid is a principal component of Centella asiatica, used in traditional Chinese medicine for its anti-tumor properties. However, detailed historical applications and context are not comprehensively covered in the provided sources.

## Synergistic Combinations

Curcumin, Resveratrol, Quercetin, Green Tea Extract, Lycopene

## Frequently Asked Questions

### What is asiatic acid and where does it come from?

Asiatic acid is a pentacyclic triterpene aglycone found predominantly in Centella asiatica (gotu kola), where it exists as the hydrolysis product of the glycoside asiaticoside. It is also present in smaller amounts in other plants of the Apiaceae family. The compound is extracted and concentrated for use in pharmacological research and nutraceutical formulations targeting cancer, neurodegeneration, and wound healing.

### How does asiatic acid fight cancer cells?

Asiatic acid combats cancer cells through multiple mechanisms, including upregulation of tumor suppressor proteins P53 and P21, which halt the cell cycle at the G1 checkpoint and initiate caspase-3-mediated apoptosis. It simultaneously suppresses the PI3K/AKT/mTOR pathway, reducing phosphorylation of AKT at Ser473, which deprives cancer cells of a key survival signal. In gastric cancer models specifically, it elevates intracellular ROS to cytotoxic levels, triggering mitochondrial membrane depolarization and subsequent cell death.

### What is the effective dosage of asiatic acid in studies?

In animal xenograft and in vivo models, effective doses of asiatic acid have typically ranged from 25 to 100 mg/kg body weight administered orally or intraperitoneally, resulting in measurable tumor volume reduction and apoptosis marker upregulation. In vitro studies commonly use concentrations between 20–80 μM to observe significant antiproliferative effects in cell lines such as HCT116 (colon) and SGC-7901 (gastric). No validated human therapeutic dosage has been established due to the lack of phase I or phase II clinical trials.

### Does asiatic acid have neuroprotective effects?

Yes, asiatic acid has demonstrated neuroprotective properties in preclinical models, primarily by reducing oxidative stress and neuroinflammation. It has been shown to downregulate NF-κB signaling and decrease pro-inflammatory cytokines such as TNF-α and IL-1β in microglial cells, which may be relevant to conditions like Alzheimer's disease and ischemic stroke. Rodent models of cerebral ischemia-reperfusion injury showed reduced infarct volume and improved behavioral outcomes following asiatic acid administration at 30–60 mg/kg.

### Can asiatic acid interact with medications?

Asiatic acid inhibits CYP3A4 enzymatic activity in vitro, meaning it could increase plasma concentrations of drugs metabolized by this enzyme, such as atorvastatin, cyclosporine, and certain chemotherapy agents like paclitaxel, potentially leading to toxicity. Its ability to generate ROS and induce apoptosis may also be blunted by concurrent use of antioxidant supplements like N-acetylcysteine or high-dose vitamin C. Patients on anticoagulant therapy should exercise caution, as Centella asiatica extracts, which contain asiatic acid, have shown mild antiplatelet activity in some studies.

### What is the bioavailability of asiatic acid and how is it absorbed in the body?

Asiatic acid has relatively low bioavailability when taken orally, as it is poorly absorbed in the gastrointestinal tract and undergoes rapid metabolism. Studies suggest that combining asiatic acid with delivery systems like nanoparticles or liposomes may enhance its absorption and cellular uptake. The compound is fat-soluble, so taking it with dietary fat may improve bioavailability compared to taking it on an empty stomach.

### Which populations should consider asiatic acid supplementation and who should avoid it?

Individuals with cancer or at high risk for cancer may benefit from asiatic acid supplementation based on its apoptotic and cell-cycle-arrest mechanisms in laboratory studies. However, pregnant and breastfeeding women should avoid asiatic acid due to insufficient safety data, and those with bleeding disorders or on anticoagulant therapy should consult a healthcare provider before use. People with liver disease should also exercise caution, as the compound undergoes hepatic metabolism.

### How strong is the clinical evidence supporting asiatic acid's anti-cancer effects in humans?

Most evidence for asiatic acid's anti-cancer properties comes from in vitro (cell culture) and animal studies, which have demonstrated apoptosis induction and tumor growth inhibition through multiple pathways including P53/P21 upregulation and PI3K/AKT/mTOR suppression. Human clinical trials investigating asiatic acid as a standalone cancer therapeutic are limited, though some preliminary studies explore it in combination with conventional treatments. Additional well-designed human trials are needed to establish efficacy and optimal dosing in cancer patients.

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