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Diet and Nutrition

Diet and nutrition are both used when we talk about food, but they mean different things. Diet is what foods we eat, and nutrition is how our bodies use what we eat to function.
Our bodies break down the food we eat to get vitamins, minerals, fats, proteins, and carbohydrates. These nutrients help support metabolism, growth, and tissue repair.
Some foods give us more of these helpful nutrients than others. That’s why what we eat matters, especially when managing a disease like arthritis.
Since different foods have different nutrients, it is important to eat a wide variety of foods to make sure our bodies are getting what we need to function and prevent nutrient deficiency.
Nutrients can be broken down into two different categories: macronutrients and micronutrients.
Macronutrients include fat, carbohydrates, and proteins.
Proteins are broken down into amino acids, and are needed for:
- Tissue and cartilage repair
- Immune system support
- Enzyme and hormone production
Micronutrients include vitamins and minerals. All of these are important for growth, development, tissue repair, and overall health.
Eating a Balanced Plate
One of the best ways to ensure you are eating a wide variety of foods is to follow Canada’s food guide recommendations to make your plate:
- ½ vegetables and fruits
- ¼ whole grain foods
- ¼ protein foods
Aiming for these proportions helps you get the nutrients your body needs and contributes to your long-term health.

Source: © All rights reserved. Canada’s food guide: snapshot. Health Canada. Adapted and reproduced with permission from the Minister of Health, 2026. Available at: https://food-guide.canada.ca/en/food-guide-snapshot/
Protein Sources
Choosing more plant-based proteins such as beans, lentils, tofu, nuts, and seeds can increase your intake of:
- Fibre
- Vitamins
- Antioxidants
These foods may also replace processed meats, which are higher in saturated fat and sodium. Reducing processed meats can help lower LDL cholesterol and decrease your risk of heart disease.
Many plant-based proteins cost less than some animal proteins and can help stretch your food budget. Canned fish can often be less expensive than fresh or frozen fish. If you want meat, many less expensive cuts can be used in stews or casseroles, or marinated to tenderize these cuts.
Beverage Choices
What you drink is just as important as what you eat. Canada’s Food Guide recommends making water your drink of choice.
Limiting sugary drinks and those high in saturated fat like sweetened coffee drinks and full-fat dairy can help reduce your intake of added sugars and unhealthy fats. Be careful to minimize whipped cream topped beverages and added syrups.
There are benefits from drinking 2-3 cups of coffee or tea per day. Try to limit added sugars and high fat additions. Adding low fat milk can add protein, calcium and vitamin D to the diet. Tea, coffee and high cacao chocolate also are great sources of antioxidants.
Limit juice intake to 125 mL (1/2 cup) per day. Try to choose whole fruit rather than juice when possible. Certain juices are great sources of antioxidants which are helpful to prevent cell damage. Diluting juices or mixing a small amount into club soda or sparkling water can be refreshing. Good choices in moderation include unsweetened orange, pomegranate, grape or beet juice. Drink plain water afterwards for good dental health.
Staying hydrated:
- Supports digestion
- Helps prevent constipation
- Aids joint lubrication, which is especially important for people taking medications that may cause dehydration as a side effect
- Helps with energy levels