Unlike sweet cherries, tart cherry is especially rich in anthocyanins, natural melatonin and other polyphenols with antioxidant and anti-inflammatory properties.
Its extract, in the form of juice or capsules, has been studied for its effects on sleep, muscle recovery, inflammation, and cardiovascular health.
How does it work?
- Natural antioxidant: The anthocyanins in tart cherry help neutralize free radicals, reducing cellular oxidative damage.
- Anti-inflammatory: It inhibits the production of inflammatory cytokines such as C-reactive protein, contributing to better physical and metabolic recovery.
- Sleep regulator: Its melatonin content may help regulate the circadian rhythm, improving the perception of rest, especially in older adults with insomnia.
- Vasoprotective: It may help temporarily reduce systolic blood pressure in people with mild hypertension, although there is no evidence of sustained long-term effects.
Benefits according to science
Muscle recovery and physical performance
The most consistently documented benefit of tart cherry extract is its ability to speed up muscle recovery and reduce post-exercise soreness.
A meta-analysis of 14 clinical studies found that it significantly improves recovery after intense exercise, decreasing markers of muscle damage and reducing loss of muscle strength after marathons or endurance training.
Individual studies, such as the one by Hooper and his team in 2020, have shown that capsule intake improves muscle recovery, reduces oxidative stress and maintains performance in strength tests.
Sleep and rest quality
The effects on sleep are moderate, but relevant in populations with difficulty sleeping.
A study in older adults with insomnia observed that daily consumption of tart cherry juice for two weeks increased total sleep time and improved rest quality.
Another trial in healthy people showed an increase in urine melatonin levels and subjective improvements in sleep efficiency.
Although not all studies show consistent effects, the results are promising for people with light sleep or sleep disorders.
Inflammation and antioxidants
Tart cherry extract has shown a significant reduction in C-reactive protein (CRP), a biomarker of systemic inflammation, in several clinical studies, especially at high doses or in people with obesity.
In addition, it has been observed that tart cherry extract may increase the body's ability to defend against oxidative stress. However, not all studies show improvements in certain inflammation markers more specific ones, such as some immune system proteins.
Cardiovascular health
The effects on cardiovascular health are more modest and still preliminary.
In one study, a single dose of tart cherry juice temporarily reduced systolic blood pressure in men with mild hypertension.
Some meta-analyses suggest that it may improve certain parameters such as triglycerides or LDL cholesterol in people at cardiovascular risk, although its effects on glucose and blood pressure are less consistent in healthy adults.
Tart cherry extract is a natural supplement backed by strong scientific evidence in the area of muscle recovery and reduction of certain inflammatory markers. It also shows potential as support for improving sleep, especially in older adults or people with mild insomnia.
Its cardiovascular benefits are promising, but still require more validation. Thanks to its good tolerance and safety profile, it can be considered a useful tool within a comprehensive approach to health and performance, especially for active people or those with mild sleep disorders.
Tart cherry extract is a natural supplement backed by solid scientific evidence in the area of muscle recovery and the reduction of certain inflammatory markers.
