As cold and flu season approaches, you may be looking for ways to stay well. Your immune system is your body’s frontline defense — fighting off viruses, bacteria, and more. With age those defenses can weaken, making you more prone to infection. The good news? Optimal food and lifestyle choices can help keep your immune system strong.

All nutrients matter

There’s no single food or supplement that “boosts” immunity. The best defence is a balanced eating pattern that includes a variety of nutrient-rich foods every day. Fill half your plate with colourful vegetables and fruit, a quarter with protein foods, and a quarter with whole grains.

Think of your immune system as a team — each nutrient plays a role, and the team performs best when everyone shows up. Even a mild deficiency in one nutri

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