Fueling your body with healthy, fresh foods is vital for adequate energy, muscle repair, and also to support your immune system. A strong immune system is able to effectively protect you from virus, infections, bacteria, and also to prevent cold, flu and disease. While no one certain food can completely prevent a disease or illness from developing, the following foods (and vitamins and minerals within them) are considered potent immune system boosters: 1. Garlic Garlic has a rep as a powerful superfood for good reason. This potent bulb gives spaghetti sauces, soups, and roasted meats and vegetables a tangy flavor, but it’s also your number one ally in infection fighting. Garlic’s immuno-magic comes from allicin, a sulphur containing compound, which not only wards off disease, but also lowers hypertension and protects heart health. 2. Broccoli These little green trees are so chocked full of minerals, fiber, and vitamins E, C, and A that broccoli deserves far more credit than it’s reputed for. Plus, broccoli contains antioxidants, which help to support cells and prevent chronic diseases, like cancer. The key is to steam broccoli lightly, as keeping this veggie intact is the best way to consume all of its nutrients. 3.