Immune System
The immune system protects your body from harmful bacteria, viruses, fungi, and toxins to prevent or limit sickness and infection. Various organs, cells, and proteins make up your immune system. It is important to boost your immune system because it keeps you healthy. It’s your personal line of defense.
How can you keep your immune system healthy?
Limit alcohol consumption
Quit smoking/tobacco use
Exercise and prevent prolonged sitting
Get enough sleep (9-12 for children, 8-10 for teens 13 years and older)
Eat healthy (eating a variety of vegetables, fruits, grains, and lean proteins while limiting saturated fat, added sugar, and salt)
Sufficient Vitamin D levels
What nutrients improve immune function?
Vitamin A
Eggs, carrots, sweet potatoes, pumpkin, fortified milk, dark green vegetables
Vitamin C
Oranges, sweet red pepper, kiwi, strawberries, orange juice
Vitamin D
Cod Liver Oil, trout, mushrooms, fortified milk, salmon, egg yolk, dairy, sunshine
Vitamin E
Almonds, avocado, plant based oils (corn, safflower), leafy green vegetables, wheat germ, whole grains, egg yolks, nuts
Folate
Leafy green vegetables, legumes, orange juice, and sunflower seeds
Vitamin B12
Meat, poultry, fish, seafood, eggs, milk and milk products
Vitamin B6
Chickpeas, tuna, salmon, beef liver, chicken breast, breakfast cereals, potatoes with skin, banana
Zinc
Oysters, beef, yogurt, whole grains
Iron
Red meat, organ meats, fish, poultry, shellfish (clams), egg yolks, legumes, dried fruits, dark, leafy greens, iron enriched and fortified cereals
Copper
Beef, liver, oysters, dark chocolate, cashews
Selenium
Brazil nuts, yellowfin tuna, halibut, ham, shrimp, macaroni, turkey, cottage cheese
Omega 3 (EPA & DHA)
Salmon, sardines, mackerel, trout, flaxseed oil, chia seeds, walnuts