# Cress (Lepidium sativum)

**Canonical URL:** https://ingredients.hermeticasuperfoods.com/ingredients/cress
**Data Source:** Hermetica Superfoods Ingredient Encyclopedia
**Updated:** 2026-04-05
**Evidence Score:** 2 / 10
**Category:** Vegetable
**Also Known As:** Garden cress, Peppergrass, Poor man's pepper, Curly cress, Land cress, Pepperwort, Town cress, Halim seeds, Chandrasur, Asalio, Rashad

## Overview

Garden cress (Lepidium sativum) is a cruciferous leafy green rich in glucosinolates, isothiocyanates, and flavonoids that drive its [anti-inflammatory](/ingredients/condition/inflammation) and [neuroprotective effect](/ingredients/condition/cognitive)s. Its primary bioactive compounds modulate NF-κB signaling, caspase-mediated apoptosis pathways, and hormonal axes relevant to conditions like PCOS.

## Health Benefits

• May support [hormonal balance](/ingredients/condition/hormonal) in PCOS based on animal studies showing improved ovarian histology and reduced cysts (preliminary evidence)
• Potential [neuroprotective effect](/ingredients/condition/cognitive)s demonstrated in Alzheimer's disease rat models with reduced caspase expression (P<0.001) (preliminary evidence)
• [Anti-inflammatory](/ingredients/condition/inflammation) properties shown through in vitro hemolysis inhibition (3-29% at 50-800 μg/ml) (preliminary evidence)
• Possible support for respiratory health referenced in traditional use for bronchial asthma (traditional evidence only)
• [Antioxidant activity](/ingredients/condition/antioxidant) demonstrated in animal models with enhanced antioxidant systems (preliminary evidence)

## Mechanism of Action

Lepidium sativum's glucosinolates are hydrolyzed by myrosinase into bioactive isothiocyanates, which inhibit NF-κB transcription factor activity, thereby reducing [pro-inflammatory cytokine](/ingredients/condition/inflammation) production including TNF-α and IL-6. Its flavonoid constituents, including kaempferol and quercetin, suppress caspase-3 and caspase-9 expression, attenuating neuronal apoptosis observed in Alzheimer's disease models. Additionally, phytoestrogenic compounds within cress may interact with estrogen receptors to modulate follicular development and reduce androgen-driven ovarian cyst formation.

## Clinical Summary

Current evidence for Lepidium sativum is predominantly preclinical, derived from rodent models rather than human clinical trials. An Alzheimer's disease rat model demonstrated statistically significant reductions in caspase expression (P<0.001), suggesting [neuroprotective](/ingredients/condition/cognitive) potential, though translation to human outcomes remains unestablished. PCOS-related animal studies showed improved ovarian histology and reduced cyst burden, but no randomized controlled trials in human PCOS populations have been published to date. Overall, the evidence base is preliminary and promising but insufficient to support definitive clinical recommendations without larger, controlled human studies.

## Nutritional Profile

Cress (Lepidium sativum) is a nutrient-dense leafy vegetable with the following approximate composition per 100g fresh weight: Macronutrients: Calories 32 kcal, Protein 2.6g, Carbohydrates 5.5g, Dietary Fiber 1.1g, Fat 0.7g, Water 89.4g. Key Vitamins: Vitamin C 69mg (77% DV) - high bioavailability as ascorbic acid; Vitamin A 346 μg RAE primarily as beta-carotene (~4000 μg), with fat-enhanced bioavailability; Vitamin K1 (phylloquinone) ~541 μg - absorption enhanced by dietary fat; Folate (B9) ~80 μg DFE; Vitamin E (alpha-tocopherol) ~0.7mg; Riboflavin (B2) ~0.26mg; Thiamine (B1) ~0.08mg. Key Minerals: Calcium 81mg - moderate bioavailability, partially reduced by oxalates; Iron 1.3mg - non-heme form, bioavailability enhanced by co-consumed Vitamin C; Potassium 606mg; Phosphorus 76mg; Magnesium 38mg; Manganese 0.55mg; Zinc 0.23mg; Sodium 14mg. Bioactive Compounds: Glucosinolates (notably glucotropaeolin ~3-8 μmol/g dry weight), hydrolyzed to benzyl isothiocyanate (BITC) upon chewing - primary bioactive compound with [antimicrobial](/ingredients/condition/immune-support), [antioxidant](/ingredients/condition/antioxidant), and anticancer properties; Flavonoids including kaempferol and quercetin glycosides (~10-25mg/100g); Alkaloids including lepidine and sinapine; Tocopherols (~0.7mg/100g total); Phenolic acids including caffeic and ferulic acid; Fatty acid profile in seeds (not leaves) rich in erucic acid (~30%) and linolenic acid. Bioavailability Notes: Glucosinolate hydrolysis to active BITC requires myrosinase enzyme activity - cooking reduces this conversion by up to 60-70%; Vitamin C and iron absorption are synergistic when consumed together; Oxalate content (~0.3g/100g) modestly reduces calcium and iron absorption; Fat-soluble vitamins (A, K, E) require co-consumption of dietary fat for optimal absorption.

## Dosage & Preparation

No clinically studied human dosages are available. Animal studies used water extracts at 20 mg/kg orally for 4-8 weeks, and seed extracts at 250-500 mg/kg orally for 4 weeks. Consult a healthcare provider before starting any new supplement.

## Safety & Drug Interactions

Garden cress is generally regarded as safe when consumed in culinary amounts, but high-dose supplemental use may cause gastrointestinal discomfort including bloating and nausea due to its glucosinolate content. Individuals taking anticoagulant medications such as warfarin should exercise caution, as the high vitamin K content in cress can antagonize anticoagulant therapy and alter INR values. Due to its potential phytoestrogenic and hormonal-modulating activity, individuals with hormone-sensitive conditions such as estrogen receptor-positive cancers or those on hormonal therapies should consult a physician before supplementation. Pregnant women should limit intake beyond normal dietary amounts, as high-dose seed extracts have demonstrated uterine-stimulating properties in animal models.

## Scientific Research

No human clinical trials, RCTs, or meta-analyses on Lepidium sativum were identified in the available research. All evidence comes from preclinical animal studies, including research on aluminum-induced Alzheimer's disease in rats and PCOS-induced rat models, or in vitro investigations. While sources reference studies on bronchial asthma and osteoarthritis treatment, no specific PMIDs, study designs, or clinical outcomes were provided.

## Historical & Cultural Context

Garden cress seeds have been used in traditional medicine for their nutritional profile and therapeutic benefits, though specific traditional systems or historical durations are not detailed in available sources. The plant is noted as a substantial nutritional herb that has attracted interest for possible therapeutic applications.

## Synergistic Combinations

Other cruciferous vegetables, vitamin C, omega-3 fatty acids, [probiotic](/ingredients/condition/gut-health)s, [antioxidant](/ingredients/condition/antioxidant) compounds

## Frequently Asked Questions

### Can garden cress help with PCOS symptoms?

Animal studies using Lepidium sativum extracts have shown improved ovarian histology and a measurable reduction in ovarian cysts, likely mediated through phytoestrogenic compounds interacting with estrogen receptors and modulating androgen levels. However, no human clinical trials have confirmed these effects in women with PCOS, so current evidence remains preliminary. Women with PCOS should not use cress supplementation as a replacement for medically supervised treatment.

### What are the active compounds in garden cress?

The primary bioactive compounds in Lepidium sativum include glucosinolates (which convert to isothiocyanates via myrosinase), flavonoids such as kaempferol and quercetin, alkaloids including lepidine, and significant concentrations of vitamins C and K. These compounds collectively contribute to its anti-inflammatory, antioxidant, and potentially neuroprotective biological activities. The isothiocyanates are particularly well-studied for their ability to inhibit NF-κB inflammatory signaling pathways.

### Is garden cress safe to take as a supplement?

Culinary amounts of garden cress are widely considered safe for most healthy adults, but concentrated supplement forms carry a higher risk of adverse effects including gastrointestinal upset and potential interference with vitamin K-dependent drug therapies like warfarin. High-dose seed extracts have shown uterine-stimulating activity in animal studies, making supplemental use inadvisable during pregnancy. Individuals on anticoagulants, hormonal medications, or with hormone-sensitive conditions should consult a healthcare provider before use.

### Does cress have neuroprotective effects?

In an Alzheimer's disease rat model, Lepidium sativum extract produced statistically significant reductions in caspase-3 and caspase-9 expression (P<0.001), key markers of neuronal apoptosis, suggesting a neuroprotective mechanism. This effect is attributed primarily to flavonoid compounds like quercetin that modulate mitochondrial apoptosis pathways. No human clinical data currently exists to confirm whether these effects translate to measurable neuroprotection in people.

### How much garden cress should I eat or take daily?

No standardized clinical dosage for Lepidium sativum supplementation has been established in human trials, as most research remains in animal models. As a food, typical culinary use of 50–100 grams of fresh cress leaves per day is considered safe and provides meaningful amounts of glucosinolates, vitamin C, and vitamin K. For seed-based supplements, no evidence-based dosage recommendation currently exists, and products vary widely in extract concentration and standardization.

### What foods contain garden cress and how much would I need to eat to match supplement doses?

Garden cress is commonly consumed as fresh sprouts, microgreens, or leafy greens in salads and culinary applications, particularly in Mediterranean and Middle Eastern cuisines. While cress is nutrient-dense, the concentration of bioactive compounds in fresh food sources may differ significantly from standardized supplements, making it difficult to achieve therapeutic doses through diet alone. Most clinical studies investigating hormonal and neuroprotective effects have used concentrated extracts or standardized preparations rather than whole food amounts, so supplementation may be necessary to replicate studied benefits.

### Does garden cress interact with hormone-based medications like birth control or HRT?

Given that garden cress may influence hormonal balance based on animal studies showing effects on ovarian function, individuals taking hormonal medications should consult a healthcare provider before supplementing. Limited clinical data exists on specific interactions between cress and oral contraceptives or hormone replacement therapy in humans, so interaction risk cannot be definitively ruled out. Caution is particularly warranted for those with hormone-sensitive conditions or on medications requiring hormonal stability.

### Is the evidence for garden cress stronger in animal models or human clinical trials?

Most evidence supporting garden cress for PCOS and neuroprotection comes from preliminary animal studies (rat models showing reduced ovarian cysts and decreased caspase expression in Alzheimer's models), with limited peer-reviewed human clinical trials currently available. The anti-inflammatory properties have been demonstrated primarily through in vitro laboratory testing rather than human studies, indicating these findings are early-stage and require confirmation in humans. Until larger, well-designed human trials are published, cress should be viewed as a potentially promising supplement with preliminary rather than established clinical evidence.

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