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Tart Cherry

Sleep & Recovery

Last reviewed: May 26, 2026

Also Known As: Montmorency cherry, sour cherry, Prunus cerasus, MTC, Montmorency tart cherry concentrate

Supplement Class: Polyphenol-rich whole-fruit botanical / natural melatonin + tryptophan + anthocyanin matrix / anti-inflammatory adjunct

Evidence Tier: Moderate — Howatson 2012 sleep RCT; Pigeon 2010 insomnia pilot; Hill 2021 meta-analysis (14 RCTs) for exercise recovery; Bell 2014 inflammation reduction in athletes; Zhang 2012 gout-prevention trial; exercise-recovery evidence is stronger than sleep evidence; effect sizes are modest but consistent across cleanly designed trials

What is tart cherry?

Tart cherry — particularly the Montmorency cultivar (Prunus cerasus) — is a polyphenol-rich whole-fruit botanical with a combined bioactive matrix of natural melatonin, tryptophan, anthocyanins (cyanidin glycosides), and other antioxidant compounds. Its supplement profile rests on two distinct evidence arms: sleep (Howatson 2012 documented ~40 min extended sleep + elevated urinary melatonin metabolites; Pigeon 2010 documented ~84 min extension in older adults with insomnia) and exercise recovery (Hill 2021 meta-analysis of 14 RCTs showed reliable reduction in muscle soreness and improved strength recovery). The natural melatonin content is small (orders of magnitude below melatonin tablets), suggesting benefits come from the combined botanical matrix rather than melatonin alone. Tart cherry pairs naturally with sleep peptides like DSIP and with the broader botanical sleep cluster ( apigenin, glycine, magnesium ).

Reported benefits:

  • Extended total sleep time (~40 min in healthy adults per Howatson 2012; ~84 min in older insomnia per Pigeon 2010)
  • Reduced muscle soreness and DOMS post-exercise (Hill 2021 meta-analysis, effect size −0.44)
  • Improved strength recovery after strenuous endurance/sprint exercise (effect size +0.43)
  • Reduced inflammatory markers (IL-6, hsCRP) and oxidative stress in athletes (Bell 2014)
  • Gout attack prevention via xanthine oxidase inhibition (~35% reduction per Zhang 2012)
  • Modest osteoarthritis symptom improvement via anthocyanin anti-inflammation
  • Improved sleep efficiency (~6% increase per Howatson 2012)

Common dose: 30 mL Montmorency tart cherry concentrate twice daily (morning + evening) for 7–14 days — the trial-validated protocol. Equivalent doses: ~480 mg powder, 8 oz whole-fruit juice. For chronic daily use, powder form is the practical default (no sugar load). For recovery: 5 days pre + 2 days post hard training events.

Where to buy: Available from supplement retailers, health food stores, and online. Quality varies — particularly around cultivar disclosure (look for Montmorency specifically). Review the quality-markers checklist in the Where to Buy section below.

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How does tart cherry work?

Tart cherry works through three parallel mechanisms — natural melatonin content for circadian signaling, tryptophan for endogenous serotonin/melatonin pathway support, and anthocyanin-rich polyphenol content for anti-inflammatory and antioxidant effects. The combined botanical effect is gentler and broader than any single bioactive arm alone — and explains why tart cherry has evidence in both sleep and exercise recovery contexts.

  1. Natural melatonin content. Montmorency cherries contain melatonin at ~2–13 ng/g of fruit — far below pharmacological doses but biologically active. The Howatson 2012 trial documented elevated urinary melatonin metabolites (6-sulfatoxymelatonin) after tart cherry supplementation, confirming the natural melatonin is bioavailable. The dose is orders of magnitude smaller than melatonin tablets, which is why the effect is gentler.
  2. Tryptophan supplementation. Tart cherries contain tryptophan, the amino acid precursor to both serotonin and endogenous melatonin. Dietary tryptophan supports the entire serotonin→melatonin pathway, contributing to the sleep effect through endogenous synthesis support rather than direct melatonin delivery.
  3. Anthocyanin-mediated anti-inflammatory effects. Cyanidin glycosides and procyanidins (the dark pigments giving tart cherries their color) inhibit cyclooxygenase enzymes (COX-1 and COX-2) and modulate NF-κB inflammatory signaling. The Bell 2014 trial documented reductions in IL-6, hsCRP, and lipid peroxidation markers in athletes. This is the mechanism arm underlying exercise-recovery benefits.
  4. Xanthine oxidase inhibition. Anthocyanins inhibit xanthine oxidase — the enzyme that produces uric acid (and the same enzyme allopurinol targets). This is the mechanistic basis for tart cherry's gout-prevention effects in some trials.
  5. Antioxidant capacity. Tart cherry has one of the highest ORAC (oxygen radical absorbance capacity) scores of any food, contributing to free-radical scavenging in muscle and circulation. The antioxidant arm partly drives the exercise-recovery effect on muscle damage markers.
  6. Combined botanical effect. The package effect — melatonin + tryptophan + anthocyanins + antioxidants — is what distinguishes tart cherry from isolated melatonin or NSAIDs. The trials measure outcomes of the whole-food matrix rather than individual constituents.

What does tart cherry actually do?

Tart cherry has cleaner evidence in exercise recovery than in sleep, despite the marketing emphasis. The Hill 2021 meta-analysis documents reliable recovery effects across 14 RCTs; the Howatson 2012 + Pigeon 2010 sleep evidence is real but modest in effect size. Inflammatory and gout adjunct evidence is emerging.

  1. Exercise recovery — endurance and intermittent-sprint (Strong). Hill 2021 meta-analysis (14 RCTs, n=210) demonstrated small effect on soreness and moderate effect on strength recovery. Howatson 2010 marathon trial replicated in soccer players, cyclists, and other endurance/intermittent-sprint athletes. Reliable, consistent directional signal.
  2. Sleep duration and efficiency (Moderate). Howatson 2012 (n=20 healthy adults) extended total sleep by ~40 minutes after 7 days. Pigeon 2010 (n=15 older adults with insomnia) extended sleep by ~84 minutes after 2 weeks. The 2025 Food Sci Nutr systematic review found consistent direction across 7 trials but noted heterogeneity in dose, form, and study population.
  3. Inflammation reduction (Moderate). Bell 2014 documented reductions in IL-6, hsCRP, and lipid peroxidation in athletes. Replicated in several smaller trials. The anti-inflammatory arm is mechanistically well-supported by the anthocyanin pharmacology.
  4. Gout prevention (Moderate). Zhang 2012 trial documented ~35% reduction in gout attacks with tart cherry intake. Smaller follow-up trials show similar directional benefit. Reasonable adjunct in gout management protocols.
  5. Osteoarthritis symptom relief (Modest). Anti-inflammatory anthocyanin effect produces modest symptom improvement in some OA trials. Effect sizes are small relative to NSAIDs but real.
  6. Cardiovascular biomarkers (Emerging). Improvements in LDL cholesterol, blood pressure, and arterial stiffness documented in some trials, likely via anti-inflammatory and antioxidant mechanisms. Evidence base is thinner than for sleep or recovery.
  7. Resistance-training recovery (Mixed). Some resistance-training trials show benefit, others show null. The recovery effect appears more pronounced in endurance and intermittent-sprint contexts than in pure resistance training — possibly because endurance produces more inflammatory damage that anthocyanins can mitigate.
  8. Healthy young-adult subjective sleep (Modest). The 2024 trial in overweight/obese adults found no sleep or inflammation improvement at a common dose — suggesting effects may be population-dependent. Don't expect dramatic sleep changes in already-healthy young adults.

How is tart cherry dosed?

Tart cherry dosing varies by goal and form. The most-studied protocol is 30 mL of Montmorency tart cherry concentrate twice daily (morning + evening) for 7–14 days. Equivalent doses are available in powder (~480 mg standardized) or whole-fruit juice (8 oz / 240 mL). Cultivar (Montmorency) and form (cold-processed for anthocyanin preservation) matter more than brand.

  1. Sleep protocol (concentrate). 30 mL Montmorency tart cherry concentrate twice daily (morning + evening) for 7–14 days. The Howatson 2012 + Pigeon 2010 trial dose. Effects build over the first week.
  2. Sleep protocol (powder). ~480 mg Montmorency tart cherry powder once or twice daily. Equivalent bioactive content; avoids the sugar load of concentrate or juice. Practical default for chronic daily use.
  3. Sleep protocol (whole-fruit juice). 8 oz (240 mL) Montmorency tart cherry juice once or twice daily. Same bioactive content as concentrate diluted; watch for added sugar in some commercial juices.
  4. Exercise recovery protocol. Same doses as sleep protocol, taken for 7–10 days surrounding hard training events (5 days pre + 2 days post is the Howatson 2010 marathon protocol). Daily during competition blocks.
  5. Gout prevention adjunct. 1 oz concentrate or equivalent daily, ongoing. The Zhang 2012 trial dose range.

Timeline: sleep effects emerge within first week of consistent use; recovery effects are measurable within 24–72 hours post-exercise; inflammatory marker reductions are dose-coupled to ongoing supplementation. Stopping supplementation reverses effects over similar timescales — tart cherry is not a habit-builder.

Label math. Read for “Montmorency” specifically — not just “cherry extract.” Standardization to anthocyanin content (e.g., “3% anthocyanins”) is a quality marker. Concentrate at 30 mL serves typically contains ~30 g sugar; powder forms have minimal sugar.

How to take tart cherry

Tart cherry is taken orally as juice concentrate (the most-studied form), powder, capsules, or freeze-dried whole fruit. The two practical considerations are sugar content (relevant for chronic daily use) and Montmorency cultivar confirmation. The points below cover the details that experienced users converge on.

AspectRecommendation
FrequencyTwice daily (morning + evening) for sleep protocol; daily during recovery blocks; ongoing for gout adjunct.
Best time of daySleep: 1–2 hours before bedtime (evening dose) plus a morning dose to build steady-state. Recovery: post-training is fine; or split AM/PM.
FoodEither — absorption is fine with or without food. Concentrate on empty stomach may cause mild stomach upset in sensitive users; dilute in water.
FormConcentrate is the most-studied form (30 mL = trial dose). Powder is the practical default for chronic daily use (no sugar load, easier dosing). Whole-fruit juice works but contains more sugar. Capsules are convenient but read for actual Montmorency content. Freeze-dried whole fruit preserves the most bioactive compounds.
Standardization markerLook for “Montmorency” explicitly on the label (Prunus cerasus, not sweet cherry / Prunus avium). Anthocyanin-content standardization (e.g., “3% anthocyanins”) is a quality marker. Established brands used in trials: CherryPharm, Cheribundi, and research-grade Montmorency suppliers.
CyclingNo pharmacological need to cycle. Sleep users typically run continuous daily; recovery users naturally pulse around training blocks; gout users go continuous. No tolerance development documented.

What does tart cherry stack with?

Tart cherry pairs naturally with the broader sleep, recovery, and anti-inflammatory toolkit. The botanical mechanism (natural melatonin + tryptophan + anthocyanins) complements pharmacological sleep aids, neurotrophic peptides, and other anti-inflammatory adjuncts. The three areas below cover the natural stacking categories.

With peptides

Tart cherry pairs naturally with the Russian-origin sleep + cognitive peptide cluster. DSIP (delta sleep-inducing peptide) operates directly on slow-wave sleep architecture — peptide-level intervention on sleep depth. Selank (a tuftsin analog) provides anxiolytic effects via GABA modulation — useful when sleep is blocked by anxious arousal. Tart cherry operates at a different layer: natural melatonin nudges the circadian signal, tryptophan supports endogenous serotonin/melatonin pathways, and anthocyanins reduce inflammation that disrupts sleep quality. The peptides do direct sleep-architecture modulation; tart cherry handles the circadian-nudge and inflammation-driven arms. Mechanistically complementary, no known negative interactions. The full Russian sleep peptide cluster pairs naturally with the botanical sleep stack (tart cherry + apigenin + magnesium + glycine).

With supplements

  1. Apigenin — GABA-A positive allosteric modulator with sleep and longevity arms. Pairs cleanly with tart cherry's melatonin-pathway and anti-inflammatory arms.
  2. Glycine — body-temperature regulation for sleep onset. Different sleep mechanism; mechanistically complementary.
  3. Melatonin (low-dose) — for acute circadian disruption layered on top of the chronic tart cherry baseline. Use cases differ; not redundant.
  4. Magnesium glycinate — GABAergic and neuromuscular relaxation. Standard sleep-stack co-occupant.
  5. Curcumin — additional anti-inflammatory arm for recovery and chronic inflammation contexts. Compatible with tart cherry's anthocyanin mechanism.

With lifestyle

  1. Pre-bed timing. Evening dose 1–2 hours before bedtime to align with the natural melatonin's circadian-nudge effect.
  2. Surrounding hard training blocks. 5 days pre + 2 days post for major competitions or training peaks (the Howatson 2010 protocol).
  3. Consistent daily use for sleep. Effects build with consistent use; sporadic dosing doesn't replicate the trial protocols.
  4. Choose form by use case. Concentrate for trial-validated dosing; powder for chronic low-sugar use; whole-fruit juice for recovery; freeze-dried for travel.
  5. Track sugar intake. 30 mL concentrate ≈ 30 g sugar; 8 oz juice ≈ 25 g sugar. Relevant for low-carb dieters, blood-sugar managers, and chronic daily users.

Side effects and interactions

Tart cherry is one of the cleanest safety profiles in the supplement space — it's a whole-food extract with extensive culinary history. The main practical considerations are sugar intake from juice/concentrate forms and modest drug interactions through anthocyanin effects on certain enzyme systems.

Common (mostly transient)

  1. Mild GI discomfort — occasional, particularly with concentrate on empty stomach. Dilute in water or take with food.
  2. Sugar load from juice/concentrate forms — natural fruit sugars (~30 g per 30 mL concentrate). Relevant for chronic daily use.
  3. No documented serious adverse events across the human trial base — extensive whole-food culinary history.

Less common (watch-list)

  1. Hypoglycemia in diabetic users on insulin or sulfonylureas — modest blood-glucose-lowering effect from anthocyanins. Monitor glucose during titration.
  2. Mild blood-pressure lowering — relevant if combined with antihypertensive medications. Generally modest and well tolerated.
  3. Vivid dreams — occasionally reported with consistent evening dosing, likely tied to melatonin and serotonin pathway support.

Drug and supplement interactions

  1. Diabetes medications. Anthocyanins modestly improve glucose control; additive effect with insulin, sulfonylureas, or GLP peptides. Monitor glucose during titration.
  2. Antihypertensive medications. Modest additive BP lowering. Generally well tolerated; monitor BP if combining.
  3. Anticoagulants (warfarin, apixaban, rivaroxaban). Anthocyanins have mild antiplatelet effects; modest additive bleeding-risk consideration. Coordinate with prescribing clinician for chronic high-dose use.
  4. Sedatives (benzodiazepines, Z-drugs) — additive mild sedation possible at evening doses; rarely clinically significant.
  5. Allopurinol or other gout medications — same xanthine oxidase mechanism; additive effect. Coordinate with rheumatologist.
  6. Pregnancy — whole-food tart cherry consumption is fine; mega-dose concentrate or powder supplementation not well-studied. Default to whole-fruit forms.

What we don't know yet about tart cherry

Tart cherry has cleaner exercise-recovery evidence than sleep evidence, despite the marketing emphasis on sleep. Several open questions affect how confidently it can be recommended for specific use cases.

Effect-size heterogeneity in sleep trials. Howatson 2012 documented ~40 minutes extended sleep; Pigeon 2010 documented ~84 minutes in older adults with insomnia; the 2024 trial in overweight adults found no benefit. The 2025 Food Sci Nutr systematic review noted significant heterogeneity in dose, form, and population. Which subgroups respond most isn't fully characterized.

Form equivalence (concentrate vs powder vs whole fruit). Most published trials use concentrate. Whether powder, capsules, or whole-fruit consumption deliver equivalent bioactive content is mechanistically plausible but not directly RCT-tested head-to-head at scale.

Long-term daily safety at supplemental doses. Trial data extends to 4 weeks; whole-food culinary history extends much longer but at lower doses than supplemental concentrate. Multi-year daily 30 mL concentrate use is not directly RCT-characterized — though the safety profile is reassuring.

Active-compound attribution. Tart cherry's effects likely stem from the combined botanical matrix (melatonin + tryptophan + anthocyanins + procyanidins + other polyphenols). Which compounds drive which effects isn't fully resolved. Isolated extracts of single bioactive arms may not replicate whole-food results.

Resistance-training recovery null results. Some pure resistance-training recovery trials show no benefit, while endurance and intermittent-sprint contexts consistently show benefit. The exercise-modality dependence isn't mechanistically resolved.

Diagnosed insomnia transfer. Pigeon 2010 in older adults with chronic insomnia is the closest clinical-insomnia trial — sample size of 15. Whether tart cherry meaningfully helps diagnosed primary insomnia disorder at scale is plausible but not well-tested.

Cardiovascular-outcome long-term. Anti-inflammatory and antioxidant effects suggest plausible cardiovascular benefit over years/decades; trial evidence at this timescale doesn't exist.

Where to buy tart cherry

Tart cherry products are widely available from supplement retailers, health food stores, and online. Quality varies significantly — particularly around cultivar disclosure (Montmorency specifically) and form processing (cold-processed for anthocyanin preservation). The screen below is what we use before clicking through.

Quality markers to look for

  • Montmorency cultivar (Prunus cerasus) explicitly stated — not just “cherry extract”. Sweet cherries are not bioequivalent.
  • Anthocyanin-content standardization disclosed — e.g., “3% anthocyanins” or “X mg anthocyanins per serving”. Quality marker for the active bioactive content.
  • Cold-pressed or freeze-dried processing for powder/concentrate — preserves heat-sensitive anthocyanins. Avoid heat-processed extracts.
  • For juice/concentrate: no added sugar or sweeteners — added sugar partially defeats the purpose for sleep use.
  • Established trial-grade brands — CherryPharm, Cheribundi, and research-grade Montmorency suppliers used in published RCTs.
  • Third-party tested — USP, NSF, or ConsumerLab certifications signal independent verification.
  • cGMP-certified manufacturing facility — minimum bar for any supplement.
  • For chronic daily use: prefer powder over juice/concentrate — avoids the sugar load (~30 g per 30 mL concentrate) while preserving bioactive content.
  • Fresh manufacture date — anthocyanins degrade with prolonged storage; avoid jars sitting on warehouse shelves >12 months pre-purchase.
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Tart Cherry FAQ

How much tart cherry should I take for sleep?

Most published sleep trials use 30 mL of Montmorency tart cherry concentrate twice daily (morning and evening) for 7–14 days, or equivalent doses of powder (~480 mg) or whole-fruit juice (8 oz / 240 mL). Effects build with consistent use rather than appearing after a single dose. The Howatson 2012 study extended sleep by ~40 minutes after 7 days; the LSU pilot in older adults with insomnia extended total sleep time by ~84 minutes after 2 weeks. Cultivar matters: Montmorency (Prunus cerasus) is what trials use — sweet cherries are not bioequivalent.

Tart cherry vs melatonin supplement — which is better?

Different tools, different use cases. A melatonin supplement delivers a much higher direct dose of melatonin (0.5–5 mg per tablet) and is more useful for acute circadian disruptions like jet lag, shift work, or DSPD. Tart cherry provides a much smaller natural melatonin dose (~0.135 mcg per typical study dose — orders of magnitude lower) alongside tryptophan, anthocyanins, and other bioactive compounds. The combined botanical effect appears to gently nudge sleep parameters without the next-morning grogginess some users get from melatonin tablets. Tart cherry also has recovery benefits melatonin doesn't. For acute circadian issues: melatonin. For gentle daily sleep support plus exercise recovery: tart cherry.

Can I take tart cherry every day long-term?

Yes — daily long-term use as a whole food appears safe with no concerning signals across the published trial base (durations up to 4 weeks; whole-food consumption extends much longer epidemiologically). The main practical consideration is sugar intake if you're using sweetened juice or concentrate daily. Powder and capsule forms minimize sugar exposure while preserving the bioactive compounds. For users targeting recovery from specific training blocks, 7–10 days surrounding hard training events is sufficient; for chronic sleep support, daily use is fine.

Does tart cherry help with running or endurance recovery?

Yes — and this is actually where the tart cherry evidence is strongest. The 2021 Hill meta-analysis (14 studies) found a small beneficial effect on muscle soreness (effect size −0.44) and a moderate effect on strength recovery after strenuous exercise. Multiple studies in marathon runners (Howatson 2010), soccer players, and intermittent-sprint athletes show faster recovery of strength and power, reduced DOMS, and lower inflammatory markers (notably IL-6) with 7–10 days of supplementation surrounding hard training. The recovery effect is stronger in endurance and intermittent-sprint contexts than in pure resistance training, where some trials show null results.

What's the difference between Montmorency and sweet cherries?

Different species and meaningfully different bioactive content. Montmorency (Prunus cerasus) is a tart/sour cherry cultivar with melatonin concentrations of roughly 2–13 ng/g and high anthocyanin content. Sweet cherries (Prunus avium) have far lower melatonin and a different anthocyanin profile. Almost all published tart cherry trials specifically use Montmorency — sweet cherries are not interchangeable for supplementation purposes. Reputable products specifically state Montmorency on the label; if a product just says "cherry extract" without species/cultivar, you can't be sure what you're buying.

Can I stack tart cherry with DSIP or sleep peptides?

Yes — and the stack is mechanistically natural for users layering sleep interventions. DSIP (delta sleep-inducing peptide) operates directly on slow-wave sleep architecture — peptide-level intervention on sleep depth. Tart cherry operates at a different layer: natural melatonin content nudges the circadian signal, tryptophan supports endogenous serotonin/melatonin pathways, and anthocyanins reduce inflammation that disrupts sleep quality. The peptide does direct sleep-architecture modulation; tart cherry handles the circadian-nudge and inflammation-driven sleep disruption arms. Mechanistically complementary, no known negative interactions. The Russian-origin sleep peptide cluster pairs naturally with the botanical sleep stack (tart cherry + apigenin + magnesium + glycine).

Will tart cherry help with gout or arthritis?

Some evidence, particularly for gout. Several small trials suggest tart cherry consumption may reduce gout attack frequency and lower uric acid levels — likely via anthocyanin-mediated xanthine oxidase inhibition (the same enzyme allopurinol targets). The 2012 Zhang study found a 35% reduction in gout attacks with tart cherry intake. For osteoarthritis, the anti-inflammatory anthocyanin effect produces modest symptom improvement in some trials. The evidence is smaller than for sleep or recovery but mechanistically reasonable; tart cherry is a low-risk adjunct in inflammatory contexts.

Sugar content — should I worry about juice/concentrate forms?

For occasional or recovery-focused use, no — the bioactive benefit outweighs the modest sugar load. For chronic daily use, yes worth considering: 30 mL of tart cherry concentrate has ~30 g sugar (depending on brand); 8 oz juice has ~25 g. Daily consumption may matter for blood-sugar-managing users, low-carb dieters, and users with insulin resistance. Powder and capsule forms eliminate the sugar issue while preserving the bioactive profile — for daily-use users targeting sleep or chronic inflammation, powder is the practical default.

References

  1. Howatson G, Bell PG, Tallent J, Middleton B, McHugh MP, Ellis J. Effect of tart cherry juice (Prunus cerasus) on melatonin levels and enhanced sleep quality. Eur J Nutr. 2012;51(8):909-916. https://pubmed.ncbi.nlm.nih.gov/22038497/
  2. Howatson G, McHugh MP, Hill JA, et al. Influence of tart cherry juice on indices of recovery following marathon running. Scand J Med Sci Sports. 2010;20(6):843-852. https://pubmed.ncbi.nlm.nih.gov/19883392/
  3. Pigeon WR, Carr M, Gorman C, Perlis ML. Effects of a tart cherry juice beverage on the sleep of older adults with insomnia: a pilot study. J Med Food. 2010;13(3):579-583. https://pubmed.ncbi.nlm.nih.gov/20438325/
  4. Hill JA, Keane KM, Quinlan R, Howatson G. Tart cherry supplementation and recovery from strenuous exercise: a systematic review and meta-analysis. Int J Sport Nutr Exerc Metab. 2021;31(2):154-167. https://pubmed.ncbi.nlm.nih.gov/34010816/
  5. Bell PG, Walshe IH, Davison GW, Stevenson E, Howatson G. Montmorency cherries reduce the oxidative stress and inflammatory responses to repeated days high-intensity stochastic cycling. Nutrients. 2014;6(2):829-843. https://pubmed.ncbi.nlm.nih.gov/24859636/
  6. Zhang Y, Neogi T, Chen C, Chaisson C, Hunter DJ, Choi HK. Cherry consumption and decreased risk of recurrent gout attacks. Arthritis Rheum. 2012;64(12):4004-4011. https://pubmed.ncbi.nlm.nih.gov/23023818/

Published Studies

Plain-English summaries of the peer-reviewed studies behind the claims above. Click any title to read the source paper.

European Journal of Nutrition · 2012Open Access
Effect of Tart Cherry Juice (Prunus cerasus) on Melatonin Levels and Enhanced Sleep Quality →

Howatson G, Bell PG, Tallent J, Middleton B, McHugh MP, Ellis J

A randomized double-blind placebo-controlled crossover trial of 30 mL Montmorency tart cherry juice concentrate twice daily for 7 days in 20 healthy adults. Tart cherry increased total sleep time by ~40 minutes, improved sleep efficiency by ~6%, and significantly elevated urinary melatonin metabolites (6-sulfatoxymelatonin) versus placebo. The Howatson 2012 trial established that the natural melatonin content of tart cherry is bioavailable and produces measurable sleep changes — and remains the foundational human trial for tart cherry sleep evidence.

Scandinavian Journal of Medicine & Science in Sports · 2010Paywalled
Influence of Tart Cherry Juice on Indices of Recovery Following Marathon Running →

Howatson G, McHugh MP, Hill JA, et al.

A randomized placebo-controlled trial of Montmorency tart cherry juice in 20 marathon runners, supplemented for 5 days pre-race and 2 days post-race. Tart cherry significantly reduced muscle pain, attenuated isometric strength loss, and reduced inflammatory markers (CRP, uric acid) versus placebo. The Howatson 2010 marathon trial established tart cherry's exercise-recovery use case beyond sleep and is one of the cleaner endurance-recovery trials in the supplement literature.

Journal of Medicinal Food · 2010Open Access
Effects of Tart Cherry Juice in Older Adults with Insomnia →

Pigeon WR, Carr M, Gorman C, Perlis ML

A pilot RCT of 8 oz tart cherry juice twice daily for 2 weeks in 15 older adults with chronic insomnia. Tart cherry increased total sleep time by ~84 minutes versus placebo, with modest improvements in sleep efficiency. The Pigeon trial extended tart cherry sleep evidence into clinically relevant insomnia populations — though sample size is small, the larger effect magnitude in older adults with established sleep complaints is notable.

International Journal of Sports Nutrition and Exercise Metabolism · 2021Open Access
Effects of Montmorency Tart Cherry Supplementation on Recovery from Strenuous Exercise: A Systematic Review and Meta-Analysis →

Hill JA, Keane KM, Quinlan R, Howatson G

A systematic review and meta-analysis of 14 RCTs (n=210) of Montmorency tart cherry supplementation in exercise recovery contexts. Tart cherry produced a small beneficial effect on muscle soreness (effect size −0.44, p=0.005) and a moderate beneficial effect on muscular strength recovery (effect size +0.43, p<0.001). Effects were stronger in endurance and intermittent-sprint contexts than in pure resistance training. The Hill 2021 meta-analysis is the cleanest evidence summary for tart cherry's recovery effect.

Nutrients · 2014Open Access
Effects of Tart Cherry Juice on Biomarkers of Inflammation and Oxidative Stress →

Bell PG, Walshe IH, Davison GW, Stevenson E, Howatson G

A crossover trial of Montmorency tart cherry concentrate in 16 well-trained athletes during 3 days of intensive cycling. Tart cherry significantly reduced inflammatory markers (IL-6, hsCRP) and oxidative stress (lipid peroxidation) versus placebo. The anti-inflammatory anthocyanin mechanism arm — distinct from melatonin/sleep — is what underlies the exercise-recovery benefits and the gout/arthritis adjunct case.

MontmorencyAnthocyaninsDOMSEndurance RecoveryNatural MelatoninAnti-Inflammatory

Related Supplements

MelatoninApigeninGlycineMagnesiumCurcumin

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