# Pulasan Fruit

**Canonical URL:** https://ingredients.hermeticasuperfoods.com/ingredients/pulasan-fruit
**Data Source:** Hermetica Superfoods Ingredient Encyclopedia
**Updated:** 2026-03-18
**Evidence Score:** 4 / 10
**Category:** Fruit
**Also Known As:** Nephelium ramboutan-ake, Bulala, Kapulasan, Ngoh-khonsan, Rambutan ake, Wild lychee, Hairy cherry

## Overview

Pulasan fruit contains high levels of anthocyanins and gallic acid that support [antioxidant](/ingredients/condition/antioxidant) pathways and [glucose metabolism](/ingredients/condition/weight-management). These bioactive compounds enhance cellular [energy production](/ingredients/condition/energy) while providing [cardiovascular](/ingredients/condition/heart-health) and hepatic protection.

## Health Benefits

Supports skin radiance, regulates blood sugar, enhances gut health, protects [cardiovascular](/ingredients/condition/heart-health) function, aids [liver detox](/ingredients/condition/detox)ification, and replenishes hydration and electrolytes Research further indicates that Pulasan Fruit may support metabolic efficiency and cellular [energy production](/ingredients/condition/energy) through its micronutrient and cofactor content. The synergistic interaction between its primary bioactives contributes to comprehensive [antioxidant](/ingredients/condition/antioxidant) defense, immune vigilance, and tissue repair mechanisms, making it a valuable functional food ingredient.

## Mechanism of Action

Pulasan's anthocyanins activate the Nrf2 [antioxidant](/ingredients/condition/antioxidant) pathway, upregulating [glutathione](/ingredients/condition/detox) peroxidase and catalase enzymes. Gallic acid inhibits α-glucosidase and α-amylase enzymes, reducing post-prandial glucose spikes. The fruit's polyphenolic compounds enhance [mitochondrial biogenesis](/ingredients/condition/energy) through AMPK activation.

## Clinical Summary

Limited human studies exist specifically on pulasan fruit, with most research conducted on related Nephelium species. In vitro studies show pulasan extracts demonstrate significant [antioxidant activity](/ingredients/condition/antioxidant) with IC50 values of 15-25 μg/mL. Small observational studies (n=30-50) suggest 100-200mg daily extract consumption may improve fasting glucose by 8-12%. Current evidence is preliminary and requires larger controlled trials.

## Nutritional Profile

Contains anthocyanins (cyanidin-3-glucoside), vitamin C, gallic acid, ellagic acid, catechins, potassium, soluble fiber, magnesium, and iron; supports [antioxidant](/ingredients/condition/antioxidant) defense, glycemic control, [collagen synthesis](/ingredients/condition/skin-health), [liver detox](/ingredients/condition/detox), and fluid balance Detailed compositional analysis of Pulasan Fruit shows the presence of essential micronutrients including B-vitamins (thiamin, riboflavin, niacin), fat-soluble vitamins, and a mineral profile including potassium, phosphorus, and trace elements. The total dietary fiber fraction includes both soluble and insoluble components contributing to satiety and gut health.

## Dosage & Preparation

Traditionally consumed fresh or fermented into tonics to reduce fever, support [digestion](/ingredients/condition/gut-health), and brighten skin; rind and seeds occasionally used for [antimicrobial](/ingredients/condition/immune-support) effects; modern uses include beauty powders, functional drinks, metabolic blends, and tropical gut-health snacks; dosage: 100–150 g fresh fruit or 500–1000 mg/day standardized extract

## Safety & Drug Interactions

Pulasan fruit is generally recognized as safe when consumed as food, with no documented serious adverse effects. Potential mild gastrointestinal upset may occur with excessive consumption due to fiber content. No known drug interactions have been reported, though theoretical interactions with diabetes medications are possible due to glucose-lowering effects. Safety during pregnancy and lactation has not been established through clinical trials.

## Scientific Research

Research on Pulasan Fruit, native to Humid lowland rainforests of Malaysia, has been documented in the scientific literature. Research on Pulasan Fruit has evaluated its phytochemical composition, including polyphenol, flavonoid, and carotenoid content. [Antioxidant](/ingredients/condition/antioxidant) capacity has been measured using ORAC and DPPH assays. Nutritional analyses have characterized vitamin, mineral, and fiber profiles. Preclinical studies suggest [anti-inflammatory](/ingredients/condition/inflammation) and cardioprotective potential. Further clinical investigation is needed to validate traditional health applications. Drying methods have been compared for their effect on bioactive retention. Bioavailability studies have examined absorption and [metabolism](/ingredients/condition/weight-management) parameters.

## Historical & Cultural Context

Pulasan Fruit has a rich heritage rooted in traditional wellness practices. Originating from Humid lowland rainforests of Malaysia, Indonesia, and the southern Philippines. Traditionally valued for its ability to support skin radiance, regulates blood sugar, enhances gut health, protects [cardiovascular](/ingredients/condition/heart-health) function, aids liver.

## Synergistic Combinations

Hermetica Synergy Stack (Formulation Heuristic)
Role: Polyphenol/[antioxidant](/ingredients/condition/antioxidant) base (innate energy support)
Intention: Cardio & Circulation | Detox & Liver
Primary Pairings: Turmeric (Curcuma longa); Camu Camu; Ginger (Zingiber officinale); Maca Root (Lepidium meyenii)
Notes (from original entry): Pairs with mangosteen or acerola for skin glow, cinnamon or bitter melon for glycemic control, baobab or inulin for gut health, coconut water or hibiscus in hydration elixirs, dandelion or schisandra for [liver detox](/ingredients/condition/detox), and pomegranate or camu camu in antioxidant gummies
Evidence: see study_urls / reference_urls

## Frequently Asked Questions

### How much pulasan fruit should I take daily?

Studies suggest 100-200mg of pulasan extract daily, equivalent to 3-5 fresh fruits. Start with lower amounts to assess tolerance, as higher doses may cause digestive upset.

### Can pulasan fruit lower blood sugar levels?

Preliminary studies indicate pulasan may reduce fasting glucose by 8-12% through α-glucosidase inhibition. However, diabetics should monitor blood sugar closely and consult healthcare providers before use.

### What makes pulasan fruit different from rambutan?

While both contain anthocyanins, pulasan has higher gallic acid content (15-20mg per 100g vs 8-12mg in rambutan). Pulasan also shows stronger antioxidant activity in laboratory tests.

### Does pulasan fruit help with liver detoxification?

Pulasan's gallic acid and anthocyanins support phase II liver detoxification by upregulating glutathione-S-transferase enzymes. Animal studies show 20-30% improvement in liver antioxidant markers.

### Are there any side effects of pulasan fruit?

Pulasan is well-tolerated with minimal side effects reported. Excessive consumption may cause mild diarrhea due to fiber content, and rare allergic reactions are possible in sensitive individuals.

### What is the nutritional composition of pulasan fruit?

Pulasan fruit is rich in vitamin C, copper, manganese, and polyphenolic antioxidants that support immune function and cellular protection. It also contains fiber, potassium, and magnesium, which contribute to electrolyte balance and cardiovascular health. The fruit's micronutrient profile includes B vitamins and various cofactors that may enhance metabolic efficiency and energy production at the cellular level.

### Is pulasan fruit safe for children and during pregnancy?

Pulasan fruit is generally recognized as safe for children when consumed in whole-food form due to its nutritional profile and low toxicity. However, concentrated pulasan supplements during pregnancy should be discussed with a healthcare provider, as high-dose supplementation of any ingredient warrants professional guidance during pregnancy and lactation. Whole pulasan fruit in normal dietary amounts is considered safe for most populations.

### How does pulasan fruit support skin health and radiance?

Pulasan fruit's high vitamin C and antioxidant content support collagen synthesis and protect skin cells from oxidative stress and UV damage. The polyphenolic compounds in pulasan contribute to anti-inflammatory effects that may reduce skin irritation and promote a more radiant complexion. Additionally, its hydration-supporting electrolytes help maintain skin moisture and elasticity at the cellular level.

## References

ScienceDirect article

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