# Tiger Nut Oil (Cyperus esculentus)

**Canonical URL:** https://ingredients.hermeticasuperfoods.com/ingredients/tiger-nut-oil
**Data Source:** Hermetica Superfoods Ingredient Encyclopedia
**Updated:** 2026-04-01
**Evidence Score:** 2 / 10
**Category:** Seed Oils
**Also Known As:** Cyperus esculentus oil, Yellow nutsedge oil, Earth almond oil, Chufa oil, Nut grass oil, Zulu nut oil, Rush nut oil, Ground almond oil

## Overview

Tiger nut oil (Cyperus esculentus) is a cold-pressed seed oil rich in oleic acid (up to 73%), tocopherols (142–348.9 mg/kg), and phytosterols (171–685 mg/100 g) including β-sitosterol. These bioactives contribute to antioxidant activity and potential cardiovascular support through [LDL cholesterol](/ingredients/condition/heart-health) modulation and [free radical scaveng](/ingredients/condition/antioxidant)ing.

## Health Benefits

• [Antioxidant protection](/ingredients/condition/antioxidant) from tocopherols (142-348.9 mg/kg) and polyphenols (16.5 mg GAE/100 g) - evidence from in vitro studies only
• Potential [cardiovascular](/ingredients/condition/heart-health) support through phytosterols (171.42-685.68 mg/100 g) including β-sitosterol - based on observational data
• DNA protection in liver cells and [memory](/ingredients/condition/cognitive) improvement - demonstrated only in animal models
• Possible support for [testosterone](/ingredients/condition/hormonal) biosynthesis - shown in animal studies only
• Traditional use for gastrointestinal health and reducing diabetes risk - observational evidence from tuber consumption, not oil specifically

## Mechanism of Action

Tocopherols in tiger nut oil (primarily α-tocopherol) neutralize lipid peroxyl radicals by donating hydrogen atoms, interrupting the chain reaction of lipid oxidation and protecting cell membranes. β-Sitosterol competes with dietary cholesterol for intestinal absorption via Niemann-Pick C1-Like 1 (NPC1L1) transporter sites, potentially reducing serum LDL levels. Polyphenolic compounds (16.5 mg GAE/100 g) may additionally upregulate endogenous [antioxidant](/ingredients/condition/antioxidant) enzymes such as superoxide dismutase and catalase, contributing to the observed [hepatoprotective](/ingredients/condition/detox) and DNA-protective effects in liver cell models.

## Clinical Summary

Current evidence for tiger nut oil is largely preclinical: in vitro studies demonstrate dose-dependent radical scavenging activity attributed to its tocopherol and polyphenol content, and cell culture models have shown reduced DNA strand breaks in hepatocytes. Phytosterol data extrapolated from observational and mechanistic studies of β-sitosterol-rich oils suggest LDL reductions of 5–15% at intakes of 2 g/day of total phytosterols, though tiger-nut-oil–specific human trials have not established this. No randomized controlled trials using tiger nut oil as an isolated intervention with defined dosing have been published as of 2024. Evidence quality is therefore considered preliminary, and clinical recommendations cannot yet be made.

## Nutritional Profile

Tiger Nut Oil is a pure lipid extract with a fatty acid composition dominated by oleic acid (monounsaturated omega-9, ~70-73% of total fatty acids), closely resembling olive oil. Linoleic acid (polyunsaturated omega-6) comprises ~10-12%, palmitic acid (saturated) ~10-11%, and stearic acid (saturated) ~3-5%, with trace amounts of linolenic acid (omega-3, <1%). The oil is calorie-dense at approximately 884 kcal/100 g (standard for refined plant oils) with ~100 g fat per 100 g and negligible protein, carbohydrate, or fiber. Bioactive micronutrients include tocopherols (total vitamin E complex: 142-348.9 mg/kg, predominantly α-tocopherol and γ-tocopherol fractions), phytosterols (171.42-685.68 mg/100 g, with β-sitosterol as the dominant sterol, followed by stigmasterol and campesterol), and polyphenolic compounds (16.5 mg GAE/100 g, including flavonoids and phenolic acids). Minor bioactives include squalene and wax esters. The high oleic acid content confers good oxidative stability. Bioavailability of fat-soluble tocopherols is enhanced when consumed with other dietary fats; phytosterol absorption is inherently low (~1-5%) but exerts cholesterol-lowering effects at the intestinal level through competitive absorption inhibition. No meaningful vitamins B, C, minerals, fiber, or protein are present given it is a refined oil fraction.

## Dosage & Preparation

No clinically studied dosage ranges exist for tiger nut oil. The European Food Safety Authority approved it as safe for general use at up to 100 mL/100 g when replacing other cooking oils, or 30-80 mL/100 g in products like bread, pasta, and dressings. Consult a healthcare provider before starting any new supplement.

## Safety & Drug Interactions

Tiger nut oil is generally regarded as well-tolerated in food quantities, with no documented serious adverse events in the literature; however, individuals with sedge-family (Cyperaceae) plant allergies should exercise caution. Its high phytosterol content may theoretically reduce absorption of fat-soluble vitamins (A, D, E, K) if consumed in large supplemental doses, and could interact additively with pharmaceutical cholesterol-lowering agents such as ezetimibe, which also targets NPC1L1. No controlled data exist on safety during pregnancy or lactation, so use beyond normal dietary amounts is not recommended for these populations. Anticoagulant drug users (e.g., warfarin) should be aware that high vitamin E intake from concentrated tocopherol-rich oils can potentiate bleeding risk.

## Scientific Research

No human clinical trials, RCTs, or meta-analyses specifically on tiger nut oil were identified. Available evidence is limited to animal studies and general reviews, with human health claims derived from observational or in vitro data on tubers rather than the oil itself.

## Historical & Cultural Context

Tiger nuts have been consumed for millennia in Mediterranean and African traditional systems for nutritional and digestive benefits, particularly to support gastrointestinal health and reduce risks of hypercholesterolemia and diabetes. However, specific use of the extracted oil is a modern development.

## Synergistic Combinations

Vitamin E, omega-3 fatty acids, phytosterol complex, olive oil, quercetin

## Frequently Asked Questions

### What is tiger nut oil made from?

Tiger nut oil is cold-pressed from the tubers of Cyperus esculentus, a grass-like sedge plant cultivated primarily in West Africa and Spain. The oil is predominantly composed of oleic acid (up to 73%), making its fatty acid profile comparable to olive oil, alongside palmitic acid (~10–18%) and linoleic acid (~10%).

### How much β-sitosterol is in tiger nut oil?

Tiger nut oil contains 171.42–685.68 mg of total phytosterols per 100 g, with β-sitosterol as the dominant fraction. This range varies significantly by extraction method and cultivar; cold-pressed oils tend to retain higher phytosterol concentrations than refined versions.

### Can tiger nut oil lower cholesterol?

Tiger nut oil's β-sitosterol content theoretically supports LDL reduction by blocking cholesterol uptake at the NPC1L1 transporter in the intestinal brush border. However, no human clinical trials specific to tiger nut oil have confirmed a measurable cholesterol-lowering effect, so current cardiovascular claims are extrapolated from broader phytosterol research.

### What antioxidants are found in tiger nut oil?

Tiger nut oil contains tocopherols at 142–348.9 mg/kg (primarily α-tocopherol, a form of vitamin E) and polyphenols at approximately 16.5 mg gallic acid equivalents per 100 g. In vitro assays using DPPH and ABTS radical scavenging methods confirm antioxidant activity, though these results have not been validated in human intervention studies.

### Is tiger nut oil safe to use daily?

Tiger nut oil appears safe for daily culinary use at typical dietary doses, with no reported toxicity in available literature. Supplemental high-dose use lacks long-term human safety data, and individuals on cholesterol medications, fat-soluble vitamin protocols, or anticoagulants (warfarin) should consult a healthcare provider before adding concentrated tiger nut oil to their regimen.

### What is the evidence quality for tiger nut oil's health benefits?

Most tiger nut oil research remains in the in vitro (test tube) or animal model phase, with limited human clinical trials published. While studies show promise for antioxidant activity and cardiovascular support through phytosterols, these findings cannot yet be considered conclusive for human use. More rigorous randomized controlled trials are needed to establish safety and efficacy in people.

### Who should avoid tiger nut oil supplementation?

Individuals with tree nut or seed allergies should exercise caution, as cross-reactivity with tiger nuts is possible. Those taking anticoagulant or antiplatelet medications should consult a healthcare provider before use, as phytosterols may have mild blood-thinning properties. Pregnant and nursing women should seek medical advice before supplementing, as human safety data in these populations is limited.

### How does tiger nut oil compare to other plant-based oils for cardiovascular support?

Tiger nut oil contains phytosterols (171.42–685.68 mg/100 g), which are comparable to levels found in some seed oils, though typically lower than specialized phytosterol-enriched supplements. Unlike omega-3 rich oils (flax, chia), tiger nut oil provides minimal essential fatty acids but offers unique polyphenol and tocopherol profiles. The cardiovascular benefit of tiger nut oil is primarily attributed to its phytosterol content, similar to other plant oils, though direct comparative human studies are lacking.

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