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Tart Cherry

reducing inflammation and supporting sleep

Evidence · Grade B
Human trial evidenceTraditional useInteraction risk

Tart cherry is a fruit rich in antioxidants and anti-inflammatory compounds, commonly used for its potential to support sleep and reduce inflammation, though robust scientific evidence is still developing.

Tart cherry (Prunus cerasus) is a fruit rich in melatonin and anthocyanins, compounds known for their antioxidant and anti-inflammatory properties. It has been investigated for its potential to improve sleep quality and duration by influencing the body's natural sleep-wake cycle.

Quick answer

What it is: Tart cherry (Prunus cerasus) is a fruit rich in melatonin and anthocyanins, compounds known for their antioxidant and anti-inflammatory properties.

May support:Insomnia, Gout

Evidence:Evidence · Grade B

Evidence Summary

Evidence · Grade B

The current evidence grade is considered preliminary due to the absence of specific PubMed studies provided for this review. General knowledge suggests that much of the research on tart cherry involves in vitro studies, animal models, and a limited number of human clinical trials, often with small sample sizes or specific populations. Therefore, while there is a theoretical basis and some supportive findings, more comprehensive and rigorous human trials are needed to establish definitive efficacy.

Last reviewed · Jun 2026

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Why It Works

Tart cherry contains natural melatonin, a hormone that regulates the sleep-wake cycle. Its anthocyanins and other phytochemicals may reduce inflammation and oxidative stress, which can indirectly contribute to better sleep by alleviating underlying discomfort or promoting a more relaxed state. These compounds might also inhibit enzymes involved in tryptophan degradation, thus increasing tryptophan availability for serotonin and subsequently melatonin production.

How it works in more detail

The primary active compounds in tart cherry are anthocyanins, particularly cyanidin and its glycosides, which contribute to the fruit's red color and possess significant antioxidant and anti-inflammatory properties. These compounds are thought to scavenge free radicals and inhibit pro-inflammatory enzymes like cyclooxygenase (COX-1 and COX-2), similar to some non-steroidal anti-inflammatory drugs (NSAIDs). Additionally, tart cherries are a natural source of melatonin, a hormone that regulates sleep-wake cycles. The combined effect of these compounds may contribute to its purported benefits for sleep and inflammation.

How to use

Always consult a qualified clinician.

Editorial guidance

Suggested dosage
Typically, 8-16 ounces (240-480 ml) of tart cherry juice per day, consumed in one or two doses, often an hour before bedtime. Alternatively, extract forms range from 500-1000 mg daily.
Research dosage range
Research dosages have varied significantly, from 8-12 ounces of tart cherry juice twice daily, to 30-60 mL of concentrate daily, or 480 mg to 1000 mg of tart cherry extract in capsule form.
Typical onset
Effects may vary; some individuals report improvements in sleep within a few days to a couple of weeks, while anti-inflammatory benefits may take longer, potentially several weeks of consistent use.
Typical forms
Juice, Concentrate, Capsule, Powder, Extract
Quality markers
Look for products made from 100% Montmorency tart cherries, as this is the most studied variety. Ensure products are free from added sugars, artificial colors, and preservatives. Third-party testing for purity and potency can also indicate a higher quality product.
Medication interactions
  • Anticoagulants (theoretical, due to potential anti-platelet effects of some compounds)
  • Sedatives (theoretical, due to melatonin content)
  • Blood pressure medications (theoretical, due to potential mild hypotensive effects)
Avoid if
  • Allergy to cherries or Rosaceae family fruits
  • Known kidney disease (due to potential oxalate content in very high doses, though generally low)

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Suggested dosage

Typically, 8-16 ounces (240-480 ml) of tart cherry juice per day, consumed in one or two doses, often an hour before bedtime. Alternatively, extract forms range from 500-1000 mg daily.

General guidance — discuss specifics with a clinician.

Active medicinal compounds

Anthocyanins (e.g., cyanidin-3-O-glucoside, cyanidin-3-O-rutinoside), other phenolic compounds (e.g., quercetin, kaempferol, ellagic acid), melatonin, tryptophan.

Traditional use

Cherries have been cultivated and consumed for centuries. While specific 'tart cherry' traditional medicinal systems are not widely documented in the same way as, for example, ginseng in TCM, cherries have been valued in folk medicine for their general health-promoting properties, including for conditions related to inflammation and pain, and as a general tonic.

Safety

Safety warnings

Generally considered safe for most adults when consumed in typical food amounts or supplemental dosages. High consumption may cause gastrointestinal upset due to sorbitol content. Individuals with diabetes should monitor blood sugar due to sugar content in juice.

Avoid if

  • Allergy to cherries or Rosaceae family fruits
  • Known kidney disease (due to potential oxalate content in very high doses, though generally low)

Medication interactions

  • Anticoagulants (theoretical, due to potential anti-platelet effects of some compounds)
  • Sedatives (theoretical, due to melatonin content)
  • Blood pressure medications (theoretical, due to potential mild hypotensive effects)

Reported side effects

  • Mild gastrointestinal upset
  • Diarrhea (especially with high doses)
  • Allergic reactions (rare)

General guidance — discuss specifics with a clinician.

Evidence ecosystem

Scientific literature, clinical guidance, government sources, ongoing research, traditional use, and lived experience — grouped by source type and quality.

Overall grade (B)

The current evidence grade is considered preliminary due to the absence of specific PubMed studies provided for this review. General knowledge suggests that much of the research on tart cherry involves in vitro studies, animal models, and a limited number of human clinical trials, often with small sample sizes or specific populations. Therefore, while there is a theoretical basis and some supportive findings, more comprehensive and rigorous human trials are needed to establish definitive efficacy.

Filter by source type

Randomized Human Trials(1)

Controlled human studies with random assignment.

High Quality

  • Efficacy and safety of tart cherry supplementary citrate mixture on gout patients: a prospective, randomized, controlled study.

    Wang C, Sun W, Dalbeth N, Wang Z, Wang X, Ji X · Arthritis research & therapy · 2023 · n=282

    Low urine pH, which may be mediated by metabolic syndrome (MetS), is common in gout. Tart cherries are shown to improve MetS symptoms and possess anti-inflammatory properties. However, the efficacy of tart cherry supplements on urine pH has yet to be studied. This study aimed to investigate the efficacy and safety of tart cherry supplementary citrate (TaCCi) mixture on urine pH, serum urate (sUA), C-reactive protein (CRP), and gout flares in gout patients initiating urate-lowering therapy (ULT), in comparison to citrate mixture and sodium bicarbonate. A prospective, randomized (1:1:1), open-label, parallel-controlled trial was conducted among 282 men with gout and fasting urine pH ≤ 6, who were initiating ULT with febuxostat (initially 20 mg daily, escalating to 40 mg daily if serum urate ≥ 360 μmol/L). Participants were randomized to groups taking either sodium bicarbonate, citrate mixture, or TaCCi mixture. All particip

    Randomized TrialPubMedHigh Quality

Observational Studies(1)

Cohort, case-control, and cross-sectional human studies.

Moderate Quality

  • Nutritional interventions in treating menopause-related sleep disturbances: a systematic review.

    Polasek D, Santhi N, Alfonso-Miller P, Walshe IH, Haskell-Ramsay CF, Elder GJ · Nutrition reviews · 2024

    Sleep disturbances are a core symptom of menopause, which refers to the permanent cessation of menstrual periods. Nutritional interventions may alleviate menopause-related sleep disturbances, as studies have shown that certain interventions (eg, tart cherry juice, or tryptophan-rich foods) can improve relevant aspects of sleep. The aim of this systematic review was to examine the effect of nutritional interventions for menopause-related sleep disturbances, in order to inform the subsequent development of specific interventional trials and assess their potential as a treatment for menopause-related sleep disturbances. Published studies in English were located by searching PubMed and PsycArticles databases (until September 15, 2022). Following full-text review, a final total of 59 articles were included. The search protocol was performed in accordance with PRISMA guidelines. A total of 37 studies reported that a nutritional intervention improved some aspect of sleep, and 22 studies o

    Observational StudyPubMedLow Quality

Limitations: A significant limitation is the lack of specific, high-quality PubMed studies provided for this assessment. Generally, research on tart cherry often suffers from small sample sizes, short study durations, variability in tart cherry preparations (juice, concentrate, extract), and inconsistent dosing. Many studies are also industry-funded, which can introduce bias. A lack of standardized protocols makes direct comparison across studies challenging.

This page is educational. Statements use phrases like "may support" and "has been studied for"because no remedy here is approved to cure, treat, or reverse any condition. Discussion happens on the ailment pages — community statistics here are derived from those reports. Always consult a qualified clinician.

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