Healthy dietary foundation
Vegetables
Broccoli, spinach, cabbage, carrots, peppers, tomatoes
Try this
Add vegetables to lunch and dinner. Rotate colors and varieties.
Medically reviewed by Charles A. DeCook, MD ·
← Dietary Changes and Weight LossEVERYDAY FOOD CHOICES
Eating for
joint health.
Start with food you enjoy: vegetables, fruit, beans, whole grains, and a mix of protein foods.
Useful whether or not weight loss is your goal.
What can food change?
A Mediterranean-style pattern supports overall health. Dietary changes may help arthritis symptoms, especially when appropriate weight loss reduces joint burden. No food here is established to regrow worn cartilage.
What the arthritis research actually shows
A 2025 review of nine randomized trials found benefits from dietary interventions overall, with the clearest findings for reduced-energy diets. Its two Mediterranean-diet trials did not establish significant improvements in pain or function. Changes in a blood inflammation marker do not by themselves prove less joint pain or structural repair.
Read the dietary-intervention review ↗Build meals from these foods
These are practical meal ideas, not treatment doses. The foundation label refers to a healthy eating pattern, not proof that each food treats arthritis. See the dietary guidance ↗
Healthy dietary foundation
Whole fruit
Berries, oranges, apples, cherries
Try this
Try whole fruit for a snack or dessert. Fresh and unsweetened frozen fruit both fit.
Healthy dietary foundation
Beans & lentils
Chickpeas, black beans, lentils, edamame
Try this
Build a bean bowl or lentil soup in place of some processed-meat meals.
Healthy dietary foundation
Whole grains
Oats, barley, brown rice, whole-grain bread
Try this
Swap some refined grains for whole grains. All carbohydrates are not the same.
Healthy dietary foundation
Fish
Salmon, sardines, trout, herring
Try this
Include fish regularly, such as twice weekly, if it suits your preferences.
Healthy dietary foundation
Nuts & seeds
Walnuts, almonds, pumpkin seeds, flaxseed, chia
Try this
Add a small handful or sprinkle to a meal. Portions matter when weight loss is a goal.
Healthy dietary foundation
Olive oil
Extra-virgin olive oil
Try this
Use in cooking or dressings in place of some butter. It is a food, not a replacement for pain medicine.
Healthy dietary foundation
Other protein foods
Tofu, eggs, plain yogurt, poultry
Try this
Include a protein source in meals. A useful eating plan should also be nutritionally complete.
Small changes at the next meal
Breakfast
Oats with berries and plain yogurt.
Lunch
Chickpeas, vegetables, and whole grains with an olive-oil dressing.
Dinner
Salmon or tofu with broccoli and brown rice.
Simple swaps
Water instead of a sugary drink. Fruit instead of some sweets. Beans or fish instead of some processed meats.
Promising foods. Early research.
Small studies can be worth following without turning them into a prescription.
Strawberries and blueberries
Strawberries improved some pain measures in a small trial of 17 adults with obesity and knee OA. A blueberry trial randomized 63 people. Both tested freeze-dried preparations; results do not establish that a usual serving reliably relieves pain.
Turmeric, ginger, and fish oil
Turmeric and ginger can flavor meals. Concentrated supplement trials do not establish the effect of cooking with a spice. Some omega-3 research concerns rheumatoid arthritis, a different disease from osteoarthritis.
NIH nutrition evidence ↗ · NIH rheumatoid arthritis evidence ↗
Do I need to cut foods out?
Tomatoes, peppers, potatoes, and eggplant
A blanket nightshade ban is not supported by convincing arthritis evidence. If you notice a repeatable reaction, discuss it individually rather than removing many nutritious foods at once.
Read the food guidance ↗Gluten and seed oils
Gluten avoidance is relevant to celiac disease or an individually assessed sensitivity; it is not a universal OA recommendation. Trials in healthy adults do not support calling all linoleic-acid-containing oils inflammatory.
Make the plan fit you
Choose foods that fit your culture, budget, allergies, and medical needs. Weight loss is not the goal for everyone. A dietitian can adapt the plan when you have a restricted diet or are preparing for surgery.
Explore weight care and its evidence ↗Read all 8 selected references
- Dietary interventions for osteoarthritis · 2025 review ↗
Nine randomized trials, 898 participants. Reduced-energy diets showed the clearest benefit; the Mediterranean subgroup did not establish significant pain or function improvement.
- American Heart Association · Mediterranean eating ↗
Supports the overall food pattern for cardiovascular health, not an OA-specific effect for every ingredient.
- Strawberries and knee OA · 2017 trial ↗
17 adults with obesity and knee OA; a concentrated freeze-dried beverage improved some pain measures and biomarkers. Small study, not a proven serving-size prescription.
- Blueberries and knee OA · 2019 trial ↗
63 participants randomized to freeze-dried powder or placebo for four months. Early research does not establish an ordinary serving as a pain treatment.
- NIH · nutritional approaches to inflammation ↗
Evidence for many supplements is limited. Cooking spices and concentrated extracts are different exposures.
- Arthritis Foundation · food patterns and restrictions ↗
No basis for a universal nightshade ban. Gluten restrictions need an individual reason, such as celiac disease.
- Linoleic acid and inflammation · randomized-trial review ↗
In healthy adults, trials did not support the claim that adding linoleic acid increases inflammatory markers. This was not an OA treatment review.
- NIH · omega-3s and rheumatoid arthritis ↗
Some supplement evidence concerns rheumatoid arthritis. It should not be transferred automatically to fish meals or osteoarthritis.
Reviewed September 20, 2026. Selected references; not an exhaustive systematic review. Food guidance does not imply FDA approval as an arthritis treatment.