Mangosteen

botanical

What is it

Mangosteen (Garcinia mangostana) is a tropical fruit native to Southeast Asia, prized for its sweet white pulp inside a thick purple rind. The rind (pericarp) is the source of xanthones, a unique class of polyphenols used in many mangosteen supplements.

How it works

The mangosteen pericarp contains over 50 xanthone compounds, most notably alpha-mangostin and gamma-mangostin. These xanthones have been studied extensively in cell and animal models for antioxidant, anti-inflammatory, and antimicrobial effects. Alpha-mangostin in particular has shown activity against bacteria, fungi, and several types of cancer cells in vitro. Xanthones may modulate inflammatory pathways including NF-kB and COX-2, with potential effects on inflammatory markers in animal models. Some research suggests xanthones may influence insulin sensitivity and lipid metabolism. Whole mangosteen juice products often combine the pericarp extract with the sweet pulp and other ingredients. The pulp itself is low in xanthones, with most bioactive content coming from the bitter outer rind. Bioavailability of xanthones is modest, with peak blood concentrations occurring 1 to 2 hours after ingestion.

Evidence for 5 uses

AI-assisted evidence assessment — talk to your doctor before relying on any single supplement.

Inflammation markers

Grade C

Moderate evidence

Small clinical trials suggest mangosteen pericarp extracts may modestly reduce inflammatory markers such as CRP and IL-6. Effect sizes are modest and trial quality varies.

Antioxidant capacity

Grade C

Moderate evidence

Trials show increases in blood antioxidant capacity and reductions in oxidative stress markers with mangosteen consumption. Clinical translation of these changes is unclear.

Metabolic markers (obesity)

Grade D

Mixed evidence

Some small trials report modest improvements in insulin sensitivity, lipid profile, or body composition with mangosteen extract in overweight individuals. Findings are inconsistent and effect sizes small.

Skin and oral health

Grade D

Mixed evidence

Limited research, including studies of mangosteen-containing oral care products, suggests possible antimicrobial benefits. Quality of evidence is low.

Cancer

Grade F

Limited evidence

Despite strong in-vitro and animal data suggesting xanthones have anticancer activity, no clinical evidence supports mangosteen as a cancer treatment in humans. Marketing claims should be viewed skeptically.

4 commercial forms

Mangosteen juice

Commercial juices vary widely in xanthone content; often blended.

Most popular form. Quality varies dramatically by brand; some contain mostly other fruit juices with limited mangosteen extract. Check ingredients and standardization.

Pericarp extract capsule

Concentrated xanthones; standardized doses possible.

Capsules or tablets of standardized extract. More predictable dosing than juice products.

Whole fresh fruit

Edible pulp is low in xanthones; bioactive compounds are in the rind.

Eating the sweet pulp provides modest vitamins and minerals but minimal xanthone content. Most of the studied compounds are in the inedible bitter pericarp.

Mangosteen powder

Spray-dried or freeze-dried pericarp.

Concentrated whole-fruit or pericarp powder for smoothies and capsules.

Dosage

There is no RDA. Studies have used 30 to 60 mL of mangosteen juice products daily, or 500 mg to 1 g of standardized xanthone extract. Powder doses are typically 250 to 500 mg of pericarp extract. No formal Upper Limit.

When and how to take it

Mangosteen can be consumed at any time of day. Xanthones are fat-soluble, so absorption is improved when taken with a meal containing fat. For consistent effects, daily dosing at approximately the same time is recommended. Some people find mangosteen juice slightly stimulating; avoid late evening if it affects sleep.

Safety

Mangosteen is generally well tolerated. Side effects are uncommon and include mild gastrointestinal upset, headache, and rare allergic reactions. There have been reports of severe lactic acidosis associated with prolonged daily consumption of large amounts of mangosteen juice products in case reports, suggesting moderation. Mangosteen juice products often contain significant sugar.

Who should be cautious

People on anticoagulants should consult a clinician. Those scheduled for surgery should discontinue mangosteen 1 to 2 weeks beforehand. Pregnant and breastfeeding women should consume the fruit as food but avoid concentrated extracts due to limited safety data. People with diabetes should account for the sugar content of juice products.

Interactions

Mangosteen may have antiplatelet activity and could theoretically increase bleeding risk in people taking warfarin, aspirin, or other anticoagulants. Animal research suggests possible effects on cytochrome P450 enzymes; clinical relevance is unclear. There are case reports of bleeding when mangosteen juice was combined with anticoagulants.

Frequently asked questions

Which part of mangosteen has the active compounds?⌄

Most of the studied xanthones (alpha-mangostin and others) are in the thick purple rind (pericarp), not the sweet white pulp. Supplement products typically use pericarp extract.

Is mangosteen juice as effective as the extract?⌄

It depends on the product. Many commercial juices contain minimal pericarp extract or are diluted with other juices. Standardized extracts provide more predictable xanthone doses.

Can mangosteen treat or prevent cancer?⌄

There is no clinical evidence that mangosteen treats or prevents cancer in humans, despite promising laboratory studies. Marketing claims to this effect have led to regulatory action and should not be relied upon.

Why do some mangosteen products warn about lactic acidosis?⌄

There are case reports of severe lactic acidosis in people consuming large amounts of mangosteen juice daily for months. The mechanism is unclear, but suggests moderation, particularly with high-volume juice products.

Is fresh mangosteen healthy to eat?⌄

The pulp is a nutritious tropical fruit with vitamin C, fiber, and modest amounts of B vitamins. It is low in xanthones, so its benefits are similar to other tropical fruits.

References

  • Mangosteen (Wikidata) — Wikidata link

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Disclaimer: These statements have not been evaluated by the FDA. This page is educational, not a substitute for personalized medical advice. Evidence grades are AI-assisted assessments — talk to your doctor before starting any new supplement, especially if you're pregnant, breastfeeding, on medications, or managing a chronic condition.