Food, nutrition & eating for joints and muscle
Tart Cherry, Berries and Polyphenols: Can Fruit Calm Sore Joints?
3-minute read · Published May 18, 2026 · Updated May 18, 2026
What polyphenols are
Polyphenols are plant compounds found in many coloured foods, including berries and tart cherries. Inflammation is the body's healing response. It can cause pain when it stays switched on.
Lab studies are useful, but they don't always carry over to the body. A compound that works in a dish may act very differently in a person.
What the research says
- Whole-diet patterns, such as Mediterranean or plant-based eating, are linked to less pain and better function in osteoarthritis. "Linked to" is not the same as "proven to" [R21].
- Polyphenols, curcumin and omega-3s show anti-inflammatory effects in lab work and some clinical studies [R21].
- Evidence for single foods is mixed. In general there is insufficient evidence for many supplements [R20], and an older review could not recommend vitamin E, ginger, turmeric or omega-3 for osteoarthritis based on the evidence it had [R22].
- Anti-inflammatory diet components are associated with lower inflammatory markers in rheumatoid arthritis. A diet complements treatment; it never replaces it [R23].
Evidence level by item:
| Item | Evidence level | What it means |
|---|---|---|
| Whole-diet patterns (Mediterranean, plant-based) | Limited (association) | Linked to less pain in osteoarthritis [R21] |
| Berries and polyphenols | Limited | Lab effects and some clinical work [R21] |
| Tart cherry | Insufficient in our sources | Evidence varies; ask your clinician |
Tart cherry was not covered by the sources we use, so we cannot say more than that.
What you can do
- Eat fruit as part of meals, and choose whole fruit over sweetened juice.
- Build a varied pattern with vegetables, legumes, fish, whole grains and olive oil.
- Keep a short food and symptom note for a few weeks, and bring it to your doctor or a dietitian.
- Ask your pharmacist before you add any concentrated product.
Where ShoulderBack Pro fits — and where it doesn't
This topic doesn't fit ShoulderBack Pro, which is a movement trainer and does nothing for diet or inflammation. For a food question, a registered dietitian or your doctor is the better first step. If you want general movement ideas alongside better eating, the routines page covers movement only.
When to see a professional
See a doctor or physiotherapist promptly if you have: pain after a fall or injury with sudden weakness or loss of movement; a shoulder that looks deformed, very swollen or bruised; fever or feeling unwell alongside the pain; chest pain or breathlessness (call emergency services); constant pain that doesn't change with rest or activity; pain that wakes you most nights; numbness, tingling or weakness into the arm or hand; pain in several joints at once; or pain that hasn't improved after a couple of weeks of sensible self-care. [R30]
Only a doctor, physiotherapist or other licensed clinician can diagnose the cause of joint pain.
Medication and supplements: talk to your pharmacist or doctor if you take blood thinners or other medication, especially before you start any concentrated fruit product or supplement.
Try this movement
Refreshing Awareness 3-minute ritual →Frequently asked questions
Is tart cherry juice good for sore joints?
The evidence in our sources is insufficient to say. Eating fruit is part of a healthy diet, but ask your clinician before using concentrated tart cherry products for joint pain.
Can berries replace anti-inflammatory medicine?
No. Diet can complement treatment, but it never replaces it. Your doctor or pharmacist can advise on any medicine you take.
Do I need to avoid fruit if I have joint pain?
No. Fruit is a useful part of most eating patterns. Check with your doctor or a registered dietitian if you follow a special diet for a medical condition.
Sources
- NCCIH (US National Center for Complementary and Integrative Health). Nutritional Approaches for Musculoskeletal Pain and Inflammation. https://www.nccih.nih.gov/health/providers/digest/musculoskeletal
- PMC narrative review (2025/26). Nutritional Interventions in Osteoarthritis: Mechanisms, Clinical Evidence, and Translational Opportunities. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12844890/
- Rosenbaum CC et al. (2010). Antioxidants and antiinflammatory dietary supplements for osteoarthritis and rheumatoid arthritis. Altern Ther Health Med. https://pubmed.ncbi.nlm.nih.gov/20232616/
- EBSCO Health Notes. Exploring anti-inflammatory diets in rheumatology. https://about.ebsco.com/blogs/health-notes/exploring-anti-inflammatory-diets-rheumatology
- NHS Greater Glasgow & Clyde, Shoulder red flags; NHS MPFT self-help, Shoulder pain; BESS/BOA pathway summary (2021). https://www.nhsggc.scot/page_category/services/page/33
