Small clinical trials and research reviews have linked tart cherry juice with longer sleep, improved recovery after strenuous exercise and possible benefits involving cholesterol, cognition, gout and bone metabolism, though researchers say the evidence varies widely and does not establish the beverage as a treatment for disease.
By yourNEWS Media Newsroom.
Tart cherry juice has attracted growing scientific interest for its concentrations of anthocyanins, polyphenols and other plant compounds, with clinical studies reporting possible benefits involving sleep, exercise recovery, cardiovascular risk factors, cognition, gout and bone metabolism.
A recent NaturalNews.com review highlighted that expanding body of research, particularly studies involving Montmorency tart cherries, while noting that many trials have been small, short in duration or supported by the cherry industry.
The strongest evidence does not support treating tart cherry juice as a cure for insomnia, cardiovascular disease, arthritis or other medical conditions. Instead, researchers have generally described it as a food or dietary supplement that may influence certain measurable health markers.
“Tart cherry juice may help support certain aspects of health, but it is not a treatment or a cure,” Sayer Ji, founder of GreenMedInfo.com, was quoted as saying in a 2023 interview with NaturalNews founder Mike Adams in the source material reviewed for this article.
That distinction is particularly important because findings differ considerably by population, dose and outcome.
One of the better-known studies involved only eight people who completed an insomnia trial. Other research on cognitive performance involved 37 adults, while a bone-metabolism study included 27 older women. Larger reviews combining multiple exercise studies provide more evidence for post-workout recovery, but even those reviews have found inconsistent results.
Tart cherries, or Prunus cerasus, differ from the sweet cherries commonly eaten fresh. The Montmorency variety frequently used in studies contains anthocyanins and other phenolic compounds responsible for much of the fruit’s red color and antioxidant activity.
Research by Ara Kirakosyan and colleagues identified several anthocyanins, flavonoids and melatonin in tart cherry products and found that processed products retained measurable antioxidant capacity. Cyanidin compounds appeared to be major contributors.
Those compounds provide plausible mechanisms for some of tart cherry’s reported effects, but laboratory antioxidant activity is not itself evidence that drinking cherry juice prevents disease.
One of the most widely cited human findings concerns sleep.
A placebo-controlled crossover trial published in the American Journal of Therapeutics examined adults older than 50 who had insomnia. Participants drank 240 milliliters — about 8 ounces — of either tart cherry juice or a placebo twice per day for two weeks before switching treatments following a washout period.
Eleven participants initially entered the trial, but three were excluded after researchers discovered sleep apnea, leaving eight participants who completed the experiment.
During the tart cherry portion of the trial, total sleep time measured with polysomnography increased by approximately 84 minutes, and sleep efficiency improved on one validated questionnaire.
The trial was unusually notable because investigators used polysomnography rather than relying exclusively on participants’ own descriptions of their sleep.
Researchers examined several possible biological explanations.
Tart cherries contain melatonin, which plays a central role in circadian timing, but the investigators calculated that the quantity of melatonin provided by the juice was extremely small compared with doses commonly sold as melatonin supplements.
The study estimated that the cherry-juice serving provided the equivalent of approximately 0.135 micrograms of melatonin, while typical supplemental amounts are measured in milligrams — thousands of times larger.
Researchers therefore examined another pathway involving tryptophan.
Tryptophan is an amino acid the body uses in pathways involved in serotonin and melatonin production. Investigators found that tart cherry juice decreased the ratio of kynurenine to tryptophan, which they interpreted as evidence of reduced tryptophan degradation.
They also found in laboratory experiments that procyanidin B2 from tart cherries inhibited indoleamine 2,3-dioxygenase, or IDO, an enzyme involved in breaking down tryptophan.
The researchers proposed that preserving tryptophan availability could partly explain the sleep findings.
A separate randomized study involving 20 healthy volunteers previously found that tart cherry concentrate increased a urinary metabolite of melatonin and was associated with changes in measures of sleep.
More recent evidence, however, underscores that the sleep literature remains small.
A 2025 systematic review identified only seven intervention studies examining tart cherries and sleep-related outcomes. Three found significant improvements in measures such as sleep duration, efficiency or sleep onset, while three reported increased melatonin. The investigators said studies differed substantially in dosage, duration and participant characteristics and concluded that larger, well-designed trials remain necessary.
NaturalNews has also reported on tart cherry juice as a dietary source of compounds associated with sleep regulation, including melatonin and tryptophan. One July 2026 article additionally described serotonin as part of the sleep-related discussion. Serotonin is more accurately described primarily as a neurotransmitter in this context rather than simply as a sleep hormone.
Exercise recovery represents another area with comparatively substantial research.
A 2026 scoping review identified 28 randomized controlled trials examining Montmorency tart cherry products and athletic performance, recovery of muscle strength and delayed-onset muscle soreness.
The findings were mixed.
Seven of 14 studies evaluating post-exercise strength recovery reported a significant benefit. Six of 22 studies evaluating delayed-onset muscle soreness found significant reductions, while four of 10 studies examining athletic performance reported improvements such as faster completion times or longer time to exhaustion.
The authors concluded that the evidence most consistently supports a possible benefit for recovery of muscle strength after strenuous activity, while results for soreness and performance remain less consistent.
That 2026 review is the source for the frequently cited total of 28 randomized trials. An earlier systematic review and meta-analysis published in 2021 — based on a literature search completed in 2020 — pooled 14 studies rather than 28.
That analysis found a small beneficial effect on muscle soreness and moderate effects involving recovery of muscle strength and power. It also reported small reductions in C-reactive protein and interleukin-6 after strenuous exercise but no significant effects on creatine kinase or tumor necrosis factor-alpha.
A newer 2026 meta-analysis of 19 trials likewise found that tart cherry juice was associated with improved recovery of maximal voluntary contraction and reductions in C-reactive protein at several post-exercise time points.
However, the researchers found no significant pooled benefit for several other outcomes, including overall muscle soreness, creatine kinase, IL-6, TNF-alpha and range of motion. They rated the certainty of the evidence from very low to moderate and emphasized substantial differences among studies.
Tart cherry concentrate has also been studied for endurance.
A 2020 meta-analysis pooled 10 studies involving 147 participants — 127 men and 20 women — and reported a modest statistically significant improvement in endurance performance when tart cherry products were taken before exercise.
Taken together, those results provide more support for using tart cherry products as a targeted exercise-recovery supplement than for treating them as a general remedy for muscle pain.
Delayed-onset muscle soreness is part of the normal response to unfamiliar or strenuous exercise and does not automatically indicate an injury requiring treatment. The practical question examined in most cherry studies is whether supplementation can shorten recovery or reduce some of the temporary loss of strength associated with demanding exercise.
Cardiovascular research has produced more complicated findings.
One randomized trial involving 37 adults ages 65 to 80 assigned participants to drink 480 milliliters — about two cups — of tart cherry juice or a calorie- and sugar-matched control drink each day for 12 weeks.
Researchers reported lower LDL cholesterol and total cholesterol in the tart cherry group at the end of the trial.
The same study did not show improvement across every cardiovascular or metabolic measurement. Participants in the tart cherry group also had higher glucose, triglycerides and body mass index than controls at the end of the study, and investigators found no significant effect on body weight, HDL cholesterol, diastolic blood pressure, insulin or insulin resistance.
Broader reviews have made the cardiovascular picture still less definitive.
A 2022 meta-analysis of 10 randomized trials found no significant overall effect of tart cherry juice on total cholesterol, LDL cholesterol, HDL cholesterol, triglycerides, systolic or diastolic blood pressure, insulin or BMI, although some subgroup analyses suggested benefits in particular populations.
A 2023 systematic review covering 21 trials similarly concluded that tart cherry supplementation did not significantly lower blood pressure overall. It found modest reductions in C-reactive protein and TNF-alpha, with differing levels of evidence certainty.
A separate 2024 meta-analysis of 12 trials found no significant general effects on several cardiometabolic outcomes but reported improved cholesterol and triglyceride measurements in certain subgroups, particularly older participants and people with underlying health problems.
Those results mean claims that tart cherry juice directly reduces heart attacks or strokes go beyond the available evidence.
Some studies suggest changes in cardiovascular risk factors, particularly lipids or inflammation in selected groups. They have not demonstrated that tart cherry juice prevents heart attacks, strokes or cardiovascular death.
Researchers have also explored possible cognitive effects.
A 2019 randomized controlled trial enrolled 37 adults ages 65 to 80 with normal cognitive function. Participants received either two cups of Montmorency tart cherry juice each day or a control drink for 12 weeks.
Those receiving tart cherry juice performed better than controls on a paired-associate learning task and reported greater satisfaction with their memory. Researchers also observed improvement in movement time, while within-group testing suggested improvement in visual sustained attention.
The authors said tart cherry’s antioxidant and anti-inflammatory properties and possible effects on blood pressure could be involved, but cautioned that additional research was needed.
The small trial does not establish that tart cherry juice prevents dementia or age-related cognitive decline.
Bone health has also been investigated in a small trial involving older women.
Researchers at Oklahoma State University studied 27 women ages 65 to 80 who consumed approximately 8 ounces of tart cherry juice either once or twice daily for 90 days.
Women receiving the twice-daily dose showed a significant decrease from baseline in tartrate-resistant acid phosphatase type 5b, a blood marker of bone resorption, while women drinking one serving did not show the same change.
Markers of bone formation were unchanged.
The study measured short-term biomarkers rather than proving that tart cherry juice builds stronger bones or prevents osteoporosis or fractures.
The research was funded by the Cherry Research Committee of the Cherry Marketing Institute. The authors reported that the funder did not participate in study design, data collection, analysis, interpretation, manuscript preparation or the publication decision.
Cherry products have perhaps their longest history of study in connection with gout.
A 2019 systematic review identified six studies involving cherries and gout or high uric acid. The studies generally reported fewer gout attacks or lower uric acid among participants consuming cherries or cherry products.
But researchers said the studies were too different in design and measurement to conduct a reliable meta-analysis.
“Current evidence supports an association between cherry intake and a reduced risk of gout attacks,” the authors concluded while emphasizing the need for larger randomized trials.
Cherry juice should therefore not be considered a replacement for established urate-lowering medications such as allopurinol or febuxostat when those treatments are medically indicated.
Knee arthritis research has produced similarly mixed results.
A 2019 randomized trial assigned 66 adults with self-reported symptomatic knee osteoarthritis to tart cherry juice or a placebo for four months. Fifty-seven completed the study.
Participants drinking tart cherry juice showed improvements in pain, quality of life and some measures of knee movement at the midpoint, but several of those improvements were no longer statistically significant by the end of the trial. The research was funded by the Cherry Marketing Institute.
An earlier randomized crossover trial involving 58 people with knee osteoarthritis found that symptoms improved while participants consumed tart cherry juice, but the difference between cherry juice and placebo was not statistically significant.
C-reactive protein fell more during tart cherry consumption, however, and the decrease was associated with symptom improvement. Walking time and acetaminophen use did not significantly change.
Researchers therefore have not established tart cherry juice as a treatment for osteoarthritis pain.
Much of the scientific interest traces back to the fruit’s phytochemical profile.
Tart cherries contain anthocyanins and other phenolics, and analyses have also identified flavonoids and melatonin. Their antioxidant capacity remains measurable even after cherries are processed into concentrates, powders, dried fruit or frozen products.
Traditional nutritional references also list cherries as sources of compounds including anthocyanins, quercetin and beta-sitosterol as well as vitamins and minerals.
The juice itself, however, is not calorie- or sugar-free.
A roughly 8-ounce cup of tart cherry juice can contain about 159 calories and approximately 37 grams of carbohydrates, including more than 30 grams of naturally occurring or added sugars depending on the product. NaturalNews reported similar nutritional values in its July 2026 review.
That matters particularly for people with diabetes or those monitoring carbohydrate intake.
Commercial products also differ significantly. Tart cherry concentrate is substantially more concentrated than ready-to-drink juice, and sweetened cherry beverages may contain added sugar. Results from a trial using a standardized Montmorency concentrate cannot automatically be applied to every bottle labeled cherry juice.
Digestive tolerance can also vary.
Cherries contain sorbitol and other fermentable carbohydrates that can cause bloating, gas, abdominal discomfort or diarrhea in susceptible individuals, particularly at larger doses.
People with cherry allergies should avoid the products, and anyone taking medications or managing a chronic disease should consider discussing regular high-dose consumption with a health professional rather than substituting it for prescribed treatment.
Starting with a smaller serving, such as about 4 ounces of unsweetened 100% tart cherry juice, may reduce the likelihood of gastrointestinal symptoms for people who want to include it as a food.
The overall research picture is therefore more nuanced than labeling tart cherry juice either a proven therapy or an unsupported wellness trend.
Human trials provide plausible evidence that tart cherry products may improve some measures of sleep and may help recovery of muscle strength following strenuous exercise. Smaller studies have also produced potentially favorable findings involving cognition, certain blood lipids, inflammation, gout attacks and bone-resorption biomarkers.
At the same time, many trials contain only a few dozen participants, interventions frequently last weeks rather than years, results are inconsistent across studies and several prominent trials have received funding from the cherry industry.
For some claims, later meta-analyses have also been less impressive than individual studies. Blood-pressure benefits, for example, have not consistently survived when multiple randomized trials are pooled.
The most defensible conclusion from the current research is that tart cherry juice is a nutrient-containing food with biologically active compounds and several promising areas of clinical research — particularly sleep and exercise recovery — rather than an established therapy for insomnia, cardiovascular disease, dementia, osteoporosis, gout or arthritis.
Larger independent trials will be needed to determine which effects are reproducible, which populations benefit, how much tart cherry is required and whether changes in short-term biomarkers translate into meaningful reductions in disease.
Explainer Infographic
Comments