# Tart Cherry (Prunus cerasus)

**Canonical URL:** https://ingredients.hermeticasuperfoods.com/ingredients/tart-cherry
**Data Source:** Hermetica Superfoods Ingredient Encyclopedia
**Updated:** 2026-03-30
**Evidence Score:** 2 / 10
**Category:** Fruit
**Also Known As:** Prunus cerasus, Sour cherry, Dwarf cherry, Pie cherry, Montmorency cherry, European sour cherry, Tart red cherry

## Overview

Tart cherry (Prunus cerasus) contains high concentrations of anthocyanins, particularly cyanidin-3-glucosylrutinoside and cyanidin-3-rutinoside, which inhibit cyclooxygenase (COX-1 and COX-2) enzymes involved in [prostaglandin](/ingredients/condition/inflammation) synthesis. These polyphenolic pigments also demonstrate [free radical scaveng](/ingredients/condition/antioxidant)ing capacity in vitro, though robust human clinical evidence remains limited across most proposed health applications.

## Health Benefits

• [Antioxidant activity](/ingredients/condition/antioxidant) demonstrated through ABTS radical scavenging assays (in vitro evidence only)
• [Anti-inflammatory](/ingredients/condition/inflammation) effects shown in processed products (in vitro studies, no human trials available)
• No clinical evidence for sleep improvement (no human studies found in research)
• No clinical evidence for gout management (no human trials provided)
• No clinical evidence for exercise recovery (no human data available)

## Mechanism of Action

Tart cherry's primary bioactives, cyanidin-3-glucosylrutinoside and cyanidin-3-rutinoside, competitively inhibit cyclooxygenase-1 and cyclooxygenase-2 enzymes, reducing [prostaglandin](/ingredients/condition/inflammation) E2 synthesis and downstream inflammatory signaling. These anthocyanins also scavenge superoxide and hydroxyl radicals as measured by ABTS and ORAC assays in vitro, and may upregulate endogenous [antioxidant](/ingredients/condition/antioxidant) enzymes including superoxide dismutase. Additionally, tart cherry contains small amounts of melatonin (approximately 0.01–0.2 mcg per gram), which binds MT1 and MT2 receptors in the suprachiasmatic nucleus, though the physiological relevance of these quantities in supplement doses remains unestablished in human trials.

## Clinical Summary

In vitro studies using ABTS radical scavenging assays consistently demonstrate [antioxidant activity](/ingredients/condition/antioxidant) from tart cherry anthocyanins, but these findings have not been reliably translated into controlled human trials with clinically meaningful endpoints. [Anti-inflammatory](/ingredients/condition/inflammation) effects observed in cell-based models using processed tart cherry products have not yet been confirmed in randomized controlled trials with adequate sample sizes. Claims regarding sleep improvement are unsupported by human study data, as no peer-reviewed clinical trials meeting methodological standards have been identified in the published literature. Overall, the current evidence base for tart cherry supplements is primarily preclinical, and consumers should interpret benefit claims with caution pending adequately powered human studies.

## Nutritional Profile

Tart cherries (Prunus cerasus) provide approximately 50-60 kcal per 100g fresh weight. Macronutrients: carbohydrates ~12-14g/100g (predominantly fructose and glucose, roughly 4-5g each), dietary fiber ~1.6-2.0g/100g (mix of soluble pectin and insoluble cellulose), protein ~1.0g/100g, fat ~0.3g/100g. Key micronutrients: potassium ~170-220mg/100g (most abundant mineral), vitamin C ~10-15mg/100g (moderate bioavailability, heat-sensitive), vitamin A (as beta-carotene) ~640-1000 IU/100g, small amounts of vitamin K (~2.1mcg/100g), magnesium ~9-11mg/100g, phosphorus ~15-20mg/100g, calcium ~16mg/100g, iron ~0.3-0.4mg/100g (non-heme, relatively low bioavailability without co-ingestion of vitamin C). Bioactive compounds: anthocyanins (primary bioactives) at 40-80mg/100g fresh weight, predominantly cyanidin-3-glucosylrutinoside and cyanidin-3-rutinoside, with concentrations significantly higher in Montmorency variety (~80-120mg/100g); melatonin at notably low concentrations of 0.01-0.13mcg/g (fresh), insufficient on its own to pharmacologically impact sleep but may contribute synergistically; quercetin ~10-25mg/100g; chlorogenic acid ~50-100mg/100g; ellagic acid in minor quantities. Tryptophan present at ~8-9mg/100g (low absolute quantity). Anthocyanin bioavailability from whole fruit is estimated at 5-10% absorption, improved with concurrent dietary fat; processing into juice concentrates anthocyanins but may reduce vitamin C by 30-50%. Dried/frozen forms retain most polyphenols but lose some heat-labile vitamins.

## Dosage & Preparation

No clinically studied dosage ranges are available as human trials are absent from the research. No standardization details for anthocyanin content or recommended forms (extract, powder, juice) have been established through clinical research. Consult a healthcare provider before starting any new supplement.

## Safety & Drug Interactions

Tart cherry is generally recognized as safe when consumed in food quantities, and concentrated supplements at typical doses of 480–960 mg standardized extract are well tolerated in short-term use, with no serious adverse events reported in available in vitro or limited observational data. Due to its anthocyanin content and potential COX-inhibiting activity, theoretical interactions with anticoagulant medications such as warfarin and antiplatelet drugs like aspirin or clopidogrel cannot be excluded, and caution is warranted. Tart cherry juice is naturally high in sorbitol, which may cause gastrointestinal discomfort, bloating, or diarrhea at high intakes, particularly in individuals with irritable bowel syndrome. Pregnancy and lactation safety has not been formally studied in clinical settings, so supplemental doses beyond normal dietary intake should be avoided without medical supervision.

## Scientific Research

The research dossier contains no human clinical trials, RCTs, or meta-analyses with PubMed PMIDs. Available data focus solely on chemical composition analysis and in vitro [antioxidant](/ingredients/condition/antioxidant) capacity measurements rather than human health outcomes.

## Historical & Cultural Context

The research dossier contains no information about traditional or historical medicinal use of tart cherry in any traditional medicine system.

## Synergistic Combinations

Vitamin C, quercetin, turmeric, green tea extract, resveratrol

## Frequently Asked Questions

### How much melatonin is actually in tart cherry supplements?

Tart cherry fruit contains approximately 0.01 to 0.2 micrograms of melatonin per gram of fruit, which is substantially lower than the 0.5–5 mg doses used in clinical sleep research. A standard 480 mg tart cherry extract capsule would therefore deliver only a fraction of a microgram of melatonin, making it pharmacologically unlikely to produce significant MT1/MT2 receptor-mediated sleep effects. No human trials have confirmed sleep-onset improvements attributable to tart cherry supplementation at these melatonin concentrations.

### What are the main antioxidant compounds in tart cherries?

Tart cherries are particularly rich in cyanidin-3-glucosylrutinoside and cyanidin-3-rutinoside, two anthocyanin pigments responsible for the fruit's deep red color and the majority of its measured antioxidant activity. In ABTS radical scavenging assays, these compounds demonstrate higher free radical neutralization capacity than many other common fruits. Chlorogenic acid and quercetin are also present in smaller quantities and contribute to the total polyphenol profile.

### Does tart cherry reduce inflammation in humans?

Current evidence for anti-inflammatory effects in humans is insufficient; existing data comes from in vitro cell models showing COX-1 and COX-2 inhibition by tart cherry anthocyanins, reducing prostaglandin E2 production in isolated cell systems. No adequately powered randomized controlled trials have measured inflammatory biomarkers such as CRP, IL-6, or TNF-alpha in human subjects taking tart cherry supplements. Until controlled human trials are conducted, the anti-inflammatory benefits cannot be confirmed beyond the laboratory setting.

### Can tart cherry supplements interact with blood thinners?

Tart cherry anthocyanins exhibit theoretical COX-inhibiting properties in vitro that could additively affect platelet aggregation when combined with anticoagulant drugs like warfarin or antiplatelet agents such as aspirin and clopidogrel. No documented clinical case reports or pharmacokinetic studies have formally characterized this interaction in humans, so the risk level remains speculative but plausible. Patients on anticoagulant therapy should consult a healthcare provider before adding tart cherry supplements to their regimen.

### What is the typical dosage of tart cherry extract in supplements?

Commercial tart cherry supplements most commonly provide 480 to 960 mg of standardized extract per day, sometimes standardized to a specific anthocyanin percentage, though standardization practices vary widely between manufacturers. Tart cherry concentrate in liquid form is often dosed at 30 mL (approximately 1 fluid ounce) one to two times daily. Because no human clinical trials have established an effective or optimal dose for any specific health outcome, these dosage figures are based on manufacturer convention rather than evidence-based clinical guidelines.

### What is the difference between tart cherry juice and tart cherry extract supplements?

Tart cherry juice contains the whole fruit with water and natural sugars, while extract supplements concentrate the polyphenols and antioxidant compounds into a smaller dose. Extracts typically provide higher concentrations of anthocyanins per serving, but juice offers additional fiber and whole-food nutrients. The choice depends on whether you prefer a beverage form or a concentrated supplement, though both contain similar bioactive compounds.

### Can I get sufficient tart cherry antioxidants from eating fresh or frozen tart cherries instead of supplements?

Yes, fresh and frozen tart cherries contain the same antioxidant compounds (anthocyanins and polyphenols) as supplements, making them a viable whole-food alternative. A typical serving of fresh tart cherries (about 1 cup) provides meaningful antioxidant activity comparable to many supplement doses. However, tart cherries have a short harvest season and limited availability in most regions, which is why supplements and juice concentrate offer year-round access.

### Is tart cherry safe to use long-term, and are there any cumulative safety concerns?

Tart cherry is generally recognized as safe for long-term use, as it is a whole food with no established toxicity at typical dietary or supplement doses. No serious adverse events have been reported in available research literature for extended supplementation. However, individuals on anticoagulant medications should consult a healthcare provider before sustained use, as tart cherry may have mild blood-thinning properties.

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