1.    Unpasteurized grass-fed organic milk is a rich source of vitamin A, healthy fats, enzymes, zinc and beneficial bacteria, which helps prime your immune system and can reduce allergies. In addition, raw organic milk is not associated with rheumatoid arthritis, skin rashes, diarrhea, cramps or any of the health problems linked to pasteurized milk.

2.    High quality whey protein. Whey protein also contains beta-glucans and immunoglobulins, which strengthen your immune system and support your body’s natural detoxification processes.

3.    Fermented foods like kefir, natto, kimchi, miso, tempeh, pickles, sauerkraut, unsweetened yogurt and olives are full of beneficial bacteria which have a powerful effect on your gut’s immune system, your first line of defense against pathogens, and aid in the production of antibodies.

4.    Raw organic eggs from free-range chickens are an inexpensive and rich source of high-quality nutrients and high-quality protein and fat.

5.    Grass-fed beef is rich in vitamins A and E, omega-3 fatty acids, beta carotene, zinc and CLA (conjugated linoleic acid), an immune system-enhancing fatty acid which is three to five times higher in grass-fed animals than grain-fed animals.

7.    Locally grown organic vegetables, preferably raw, contain more vitamins, minerals, antioxidants and enzymes than conventionally grown and canned produce.

8.    Blueberries and raspberries have a very high in antioxidant capacity compared to other fruits and vegetables. Wild blueberries in particular are potent immune boosters and contain powerful phytochemicals, such as anthocyanin, the pigment responsible for their color. Blueberries are also lower in sugar than many other fruits.

9.    Mushrooms help strengthen your immune system because they are rich in protein, fiber, vitamin C, B vitamins, calcium and other minerals, and vitamin D.

10.    Chlorella, a freshwater algae, contains chlorophyll, making it an efficient detoxification agent. Chlorella binds to toxins, such as mercury, and flushes them out of your system. Chlorophyll helps your body process more oxygen, cleanse your blood and promotes the growth and repair of your tissues.

11.    Propolis is a bee resin and is considered as one of the most broad-spectrum antimicrobial compounds in the world by herbal expert Donnie Yance. Propolis is also the best source of caffeic acid and apigenin, two very important phenolic compounds that aid in immune response.

12.    Green tea and Tulsi tea are the two best tea types for protecting your body from microinvaders. Green tea contains natural chemicals called catechins, including epigallocatechin, which was found in one study to be 25 to 100 times more potent than antioxidant vitamins C and E. Tulsi, on the other hand, has been used for thousands of years in India due to its many health benefits with antioxidants, including boosting immunity and enhancing memory, heart health and vision.

13.    Herbs and spices are among the foods with the highest ORAC (Oxygen Radical Absorbance Capacity) scores. The higher the ORAC score of a food, the more effective it is at neutralizing free radicals. The less free radicals you have, the healthier you will be.