# Costa Rican Tarrazu (Coffea arabica)

**Canonical URL:** https://ingredients.hermeticasuperfoods.com/ingredients/costa-rican-tarrazu
**Data Source:** Hermetica Superfoods Ingredient Encyclopedia
**Updated:** 2026-03-24
**Evidence Score:** 2 / 10
**Category:** Coffee Cultivars
**Also Known As:** Coffea arabica var. Caturra, Coffea arabica var. Catuai, Tarrazú Coffee, Costa Rican Highland Coffee, West Valley Coffee, Volcanic Soil Arabica, Central American Washed Coffee

## Overview

Costa Rican Tarrazu (Coffea arabica) is a premium coffee cultivar grown in Costa Rica's high-altitude Tarrazu region, containing caffeine and chlorogenic acids as primary bioactive compounds. These compounds work through adenosine receptor antagonism and [antioxidant](/ingredients/condition/antioxidant) pathways to potentially reduce diabetes and neurodegenerative disease risk.

## Health Benefits

• No clinical evidence specific to Tarrazu variant exists - only general coffee research applies
• Potential reduced risk of type 2 diabetes based on general coffee meta-analyses (PMIDs 30681787)
• Possible decreased risk of Parkinson's disease from general coffee consumption studies (PMID 29293429)
• [Antioxidant](/ingredients/condition/antioxidant) effects from chlorogenic acids (5-10% content) - no Tarrazu-specific data
• Adenosine receptor antagonism from caffeine (1-1.5% dry weight) may enhance alertness - general coffee mechanism only

## Mechanism of Action

Caffeine in Tarrazu coffee blocks adenosine A1 and A2A receptors, enhancing [dopamine](/ingredients/condition/mood) signaling and glucose metabolism. Chlorogenic acids inhibit glucose-6-phosphatase and activate AMPK pathways, improving [insulin sensitivity](/ingredients/condition/weight-management). These compounds also provide neuroprotection through [antioxidant activity](/ingredients/condition/antioxidant) and modulation of [inflammatory](/ingredients/condition/inflammation) cytokines.

## Clinical Summary

No specific clinical trials exist for Tarrazu coffee variant. General coffee research shows meta-analyses of 30+ studies with over 1 million participants demonstrate 25-30% reduced type 2 diabetes risk with 3-5 cups daily consumption. Parkinson's disease studies indicate 25-32% risk reduction in cohorts of 8,000-130,000 participants consuming 2-4 cups daily. Evidence quality is moderate due to observational study designs and potential confounding factors.

## Nutritional Profile

Per 8oz (240ml) brewed cup of Costa Rican Tarrazu arabica coffee: Calories 2-5 kcal, Protein <0.3g, Fat <0.1g, Carbohydrates <0g net. Caffeine: 80-120mg per 8oz cup (arabica generally lower than robusta; Tarrazu high-altitude beans tend toward 1.1-1.4% caffeine by dry weight). Chlorogenic acids (CGAs): 5-10% by dry green bean weight, primarily 5-caffeoylquinic acid (5-CQA); brewed cup yields approximately 70-350mg total CGAs depending on roast level (lighter roasts preserve more CGAs — Tarrazu is frequently offered as medium-light to medium roast, favoring higher CGA retention). Trigonelline: approximately 0.6-1.0% dry weight in green beans, partially degraded to niacin (vitamin B3) during roasting — a brewed cup contributes roughly 0.5-1.0mg niacin. Potassium: approximately 49-116mg per 8oz cup, one of the more nutritionally significant minerals in brewed coffee. Magnesium: approximately 7-10mg per 8oz cup. Manganese: approximately 0.05-0.1mg per cup. Riboflavin (B2): approximately 0.01-0.18mg per cup. Diterpenes (cafestol and kahweol): present in unfiltered preparations (French press, espresso); paper-filtered drip brewing (common for Tarrazu single-origin presentation) reduces these to near zero (<0.1mg/cup), which is relevant for cholesterol impact. Melanoidins: formed during roasting, contribute [antioxidant](/ingredients/condition/antioxidant) capacity and [prebiotic](/ingredients/condition/gut-health) potential; constitute up to 25% of roasted coffee dry weight. N-methylpyridinium (NMP): roasting byproduct of trigonelline degradation, present at approximately 30-150mg/kg roasted coffee; may contribute to gastric acid stimulation. Bioavailability notes: CGAs are moderately bioavailable (~33% absorbed in small intestine, remainder fermented by gut microbiota); caffeine is highly bioavailable (~99% absorbed); mineral bioavailability is modest due to polyphenol binding. No Tarrazu-cultivar-specific nutritional data exists in published literature; values reflect high-altitude Costa Rican arabica general data and broad arabica coffee databases.

## Dosage & Preparation

No clinically studied dosage ranges exist for Costa Rican Tarrazu in biomedical contexts. General coffee consumption guidelines suggest 3-5 cups/day of brewed coffee (~400 mg caffeine) for adults. Available only as whole beans or brewed beverage with no standardized extract forms studied. Consult a healthcare provider before starting any new supplement.

## Safety & Drug Interactions

Tarrazu coffee contains 80-100mg caffeine per 8oz serving, potentially causing anxiety, [insomnia](/ingredients/condition/sleep), and elevated heart rate in sensitive individuals. Caffeine interacts with clozapine, lithium, and theophylline by inhibiting CYP1A2 [metabolism](/ingredients/condition/weight-management). Pregnant women should limit intake to under 200mg caffeine daily due to increased miscarriage risk. Those with anxiety disorders or cardiac arrhythmias should avoid high consumption.

## Scientific Research

No clinical trials, RCTs, or meta-analyses specific to Costa Rican Tarrazu were identified, as it is a regional coffee cultivar prized for sensory qualities rather than medicinal use. General coffee research exists on outcomes like reduced risk of type 2 diabetes or Parkinson's (PMIDs 30681787, 29293429), but none isolate Tarrazu or compare it to other variants.

## Historical & Cultural Context

Costa Rican Tarrazu has no documented historical role in traditional medicine systems. While coffee originated in Ethiopian traditional medicine around the 9th century for stimulation, Tarrazu production is a 20th-century development tied to commercial agriculture and specialty coffee markets, not ethnomedicine.

## Synergistic Combinations

L-theanine, magnesium, B-complex vitamins, rhodiola, ashwagandha

## Frequently Asked Questions

### How much caffeine is in Costa Rican Tarrazu coffee?

Costa Rican Tarrazu contains approximately 80-100mg of caffeine per 8-ounce cup. This is comparable to other arabica varieties but may vary based on brewing method and bean roast level.

### What makes Tarrazu coffee different from regular coffee health-wise?

Tarrazu coffee has no specific health research - it contains the same beneficial compounds as other arabica varieties including caffeine and chlorogenic acids. The high-altitude growing conditions may concentrate antioxidants, but this hasn't been clinically proven.

### Can Tarrazu coffee help prevent diabetes?

Based on general coffee research, 3-5 cups daily may reduce type 2 diabetes risk by 25-30%. However, no studies specifically examine Tarrazu variety, so benefits are extrapolated from overall coffee consumption data.

### Is Tarrazu coffee safe during pregnancy?

Pregnant women should limit Tarrazu coffee consumption to stay under 200mg caffeine daily (about 2 cups). Excessive caffeine intake during pregnancy is associated with increased miscarriage risk and low birth weight.

### Does Tarrazu coffee interact with medications?

Yes, the caffeine in Tarrazu coffee can interact with clozapine, lithium, and theophylline by inhibiting liver enzyme CYP1A2. This can increase blood levels of these medications and potentially cause toxicity.

### What is the difference between Costa Rican Tarrazu and other single-origin coffees in terms of antioxidant content?

Costa Rican Tarrazu coffee contains 5-10% chlorogenic acids, which are potent antioxidants found across Coffea arabica varieties, though the specific antioxidant profile varies by altitude and soil conditions in the Tarrazu region. However, no clinical studies have directly compared the antioxidant bioavailability of Tarrazu to other single-origin coffees, so meaningful differences cannot be definitively established. The high altitude cultivation (1,200-2,200 meters) in Tarrazu may concentrate these compounds, but this remains unverified by peer-reviewed research specific to this cultivar.

### Is there clinical evidence that Costa Rican Tarrazu coffee specifically reduces disease risk better than other coffees?

No clinical trials exist that are specific to Costa Rican Tarrazu; all health claims rely on general coffee consumption research. Meta-analyses suggest regular coffee consumption may reduce type 2 diabetes risk and possibly lower Parkinson's disease risk, but these findings apply to coffee broadly, not this particular cultivar variant. Until Tarrazu-specific studies are conducted, any health benefits should be attributed to coffee consumption in general rather than this origin's unique properties.

### Who should avoid Costa Rican Tarrazu coffee, and does the cultivar variant change safety recommendations?

Individuals sensitive to caffeine, those with uncontrolled hypertension, and pregnant women should limit or avoid Costa Rican Tarrazu, consistent with general coffee safety guidance. The cultivar variant does not alter standard safety precautions since caffeine content and chlorogenic acid levels are typical of Coffea arabica coffees. Those with anxiety disorders, arrhythmias, or taking certain medications should consult healthcare providers before regular consumption, as recommendations apply equally to all arabica varieties.

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