Zincanti-inflammatory, antioxidantred meat (grass-fed beef or lamb), chickpeas, cashews, almonds, hemp seeds, pumpkin seeds, eggs"Effect of Zinc on Immune Cells",
Seleniumantiviral and anticancer properties; counteracts aging of the immune systemBrazil nuts are one of the richest sources of selenium (one or two a day supply the amount you need). Salmon, beef, turkey, eggs. Sunflower seeds, brown rice, mushrooms, spinach."The influence of selenium on immune responses",
Vitamin AMaintains strong mucosal barriers, e.g. of the eyes, respiratory, gastrointestinal, and genitourinary tracts, keeping out infectionMeat, eggs, fish, and organ meats (e.g. liver). Vegetables that are deep green, yellow, or orange e.g. kale, spinach, carrots, sweet potatoes. Note: Plant-based sources are harder for the body to utilize."Multiple Roles Played By Vitamin A In The Immune System",