# α-Mangostin

**Canonical URL:** https://ingredients.hermeticasuperfoods.com/ingredients/mangostin
**Data Source:** Hermetica Superfoods Ingredient Encyclopedia
**Updated:** 2026-03-28
**Evidence Score:** 2 / 10
**Category:** Compound
**Also Known As:** Alpha-mangostin, α-Mangosteen, Mangostin A, 1,3,6-trihydroxy-7-methoxy-2,8-bis(3-methylbut-2-enyl)xanthen-9-one, Garcinia mangostana xanthone, Mangosteen pericarp extract compound, Traditional Thai medicine xanthone

## Overview

Alpha-mangostin is a prenylated xanthone compound derived from mangosteen fruit that demonstrates potent antioxidant and anti-inflammatory properties. This bioactive compound works primarily by scavenging [free radical](/ingredients/condition/antioxidant)s and modulating [inflammatory pathway](/ingredients/condition/inflammation)s including NF-κB and MAPK signaling cascades.

## Health Benefits

• Exhibits antioxidant properties through [free radical scaveng](/ingredients/condition/antioxidant)ing, as demonstrated in preclinical models. • Shows [anti-inflammatory](/ingredients/condition/inflammation) effects by modulating pathways like NF-κB and MAPK, according to in vitro studies. • Provides protective effects against hepatic fibrosis via inhibition of TGF-β/ERK1/2 signaling, as seen in animal models. • Offers potential cardioprotective remodeling by lowering VCAM-1 and hydrolases, based on animal studies. • Promotes M2 macrophage polarization, reducing inflammation, based on cellular studies.

## Mechanism of Action

Alpha-mangostin exerts its biological effects by directly scavenging [reactive oxygen species](/ingredients/condition/antioxidant) and inhibiting pro-[inflammatory](/ingredients/condition/inflammation) transcription factors NF-κB and MAPK pathways. The compound also demonstrates [hepatoprotective](/ingredients/condition/detox) mechanisms through inhibition of TGF-β/ERK1/2 signaling, which prevents hepatic stellate cell activation and subsequent fibrosis development. These molecular interactions occur through the compound's prenylated xanthone structure, which allows for effective membrane penetration and cellular uptake.

## Clinical Summary

Current evidence for alpha-mangostin is primarily limited to in vitro cell culture studies and animal models, with no robust human clinical trials available. Preclinical studies have demonstrated significant antioxidant activity with IC50 values ranging from 10-50 μM in various [free radical scaveng](/ingredients/condition/antioxidant)ing assays. Animal studies using doses of 25-100 mg/kg have shown [hepatoprotective](/ingredients/condition/detox) effects against chemically-induced liver fibrosis. However, human bioavailability data and clinical efficacy studies are lacking, limiting conclusions about therapeutic applications in humans.

## Nutritional Profile

α-Mangostin is a pure isolated xanthone compound (C24H26O6, molecular weight 410.45 g/mol), not a whole food ingredient, and therefore does not contain macronutrients (carbohydrates, fats, proteins), dietary fiber, or conventional micronutrients such as vitamins or minerals. As a bioactive compound, its profile is characterized entirely by its xanthone structure: it is a prenylated xanthone derivative bearing three hydroxyl groups (at C-3, C-6, C-8 positions) and two isoprenyl side chains, which are responsible for its biological activity. Typical concentrations in mangosteen pericarp (its primary natural source) range from 0.4% to 6.8% dry weight depending on extraction and plant maturity. In isolated/purified form, commercial preparations are typically ≥98% purity by HPLC. Bioavailability is notably limited due to poor aqueous solubility (log P ≈ 5.5, highly lipophilic), with oral bioavailability estimated at less than 10% in standard formulations in animal models; peak plasma concentrations (Cmax) in rats at 50 mg/kg oral dose reach approximately 0.4–1.2 μg/mL. Nanoparticle encapsulation, lipid-based delivery systems, and micellar formulations have been shown to enhance bioavailability by 2–5 fold. No caloric value, vitamin content, mineral content, or fiber content is applicable to this isolated compound.

## Dosage & Preparation

No clinically studied dosage ranges for α-mangostin extracts or powders are available. Standardization in studies is lacking. Consult a healthcare provider before starting any new supplement.

## Safety & Drug Interactions

Safety data for alpha-mangostin supplementation in humans is extremely limited due to lack of clinical trials. No specific drug interactions have been documented, though theoretical concerns exist regarding anticoagulant medications due to potential bleeding risk enhancement. Pregnancy and breastfeeding safety has not been established, and use should be avoided during these periods. Individuals with liver disease should exercise caution despite [hepatoprotective](/ingredients/condition/detox) properties shown in animal studies, as human safety profiles remain unknown.

## Scientific Research

There are no specific human clinical trials or meta-analyses available for α-mangostin. The research is heavily based on preclinical evidence from in vitro and animal studies.

## Historical & Cultural Context

Mangosteen pericarp, rich in α-mangostin, has been used in Southeast Asian traditional medicine systems such as Thai and Indonesian practices. Its use is tied to general health benefits attributed to its bioactive xanthones.

## Synergistic Combinations

Curcumin, Resveratrol, Quercetin, Green tea extract, CoQ10

## Frequently Asked Questions

### What is the typical dosage of alpha-mangostin supplements?

No standardized human dosage exists for alpha-mangostin as clinical trials are lacking. Animal studies have used doses equivalent to 25-100 mg/kg body weight, but human equivalent doses and safety parameters remain undefined.

### Can alpha-mangostin help with liver health?

Animal studies suggest alpha-mangostin may protect against liver fibrosis by inhibiting TGF-β/ERK1/2 pathways and reducing hepatic stellate cell activation. However, human clinical evidence is absent, and liver health claims cannot be substantiated without proper trials.

### Is alpha-mangostin better than other antioxidants?

Alpha-mangostin demonstrates potent free radical scavenging with IC50 values of 10-50 μM in laboratory studies. While structurally unique as a prenylated xanthone, comparative human studies against established antioxidants like vitamin C or E are unavailable.

### What foods contain alpha-mangostin naturally?

Alpha-mangostin is primarily found in mangosteen fruit (Garcinia mangostana) pericarp, with concentrations ranging from 1-7% by dry weight. The compound is most abundant in the purple rind rather than the white fruit flesh.

### How long does alpha-mangostin stay in the body?

Pharmacokinetic data for alpha-mangostin in humans is not available. Animal studies suggest rapid absorption but limited bioavailability due to extensive first-pass metabolism, though specific half-life and elimination parameters remain undetermined in humans.

### Does alpha-mangostin have any side effects or safety concerns?

Alpha-mangostin is generally well-tolerated in preclinical studies, with no major adverse effects reported at typical doses, though human safety data remains limited. Most research has been conducted in cell and animal models, so gastrointestinal tolerance and long-term safety in humans require further clinical investigation. Individuals with known xanthone sensitivities or those taking blood-thinning medications should consult a healthcare provider before supplementing.

### Does alpha-mangostin interact with blood pressure or cardiovascular medications?

Alpha-mangostin shows cardioprotective potential through vasculoactive mechanisms, which theoretically could potentiate the effects of blood pressure-lowering drugs, though human interaction studies have not been conducted. If you are taking antihypertensive or anticoagulant medications, consult your physician before using alpha-mangostin supplements to avoid additive effects. Current evidence is primarily from animal models and does not definitively establish drug-supplement interactions in humans.

### What is the quality of clinical evidence supporting alpha-mangostin's health claims?

Most evidence for alpha-mangostin comes from in vitro (test tube) and animal model studies demonstrating antioxidant, anti-inflammatory, and hepatoprotective mechanisms, but human clinical trials remain sparse and limited in scope. The existing research shows promise for conditions like liver fibrosis and inflammation, but these findings have not been consistently replicated in large-scale human studies. More rigorous, well-controlled clinical trials are needed to establish efficacy and optimal dosing in human populations.

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