Summarize this article:

Boosting your vitamin E may help to increase your sperm count, though data on this is limited. Add more high-vitamin E foods to your diet such as: Sunflower seeds, almonds, and peanut butter Cooked spinach, cooked beet greens, and cooked collard greens Raw red peppers, canned pumpkin, cooked asparagus, raw avocado, and raw mango Cooked swordfish Safflower oil Vitamin C may help boost male fertility, though research on this is limited. Include fresh fruits and vegetables in every meal, as these contain high amounts of vitamin C. Some of the produce highest in vitamin C are: Citrus fruit and juice, like orange and grapefruit Tropical fruits like cantaloupe, kiwi, mango, papaya, and pineapple Strawberries, blueberries, blackberries, raspberries, cranberries, and watermelon Broccoli, cauliflower, and Brussels sprouts Peppers (green and red), tomatoes, and potatoes (sweet and white) Leafy greens like cabbage, spinach, and turnip greens Having appropriate levels of vitamin A may help improve male fertility. Eat fruits and vegetables rich in vitamin A such as spinach, kale, collard greens, sweet potatoes, cantaloupe, carrots, and fortified dairy. Liver is also high in vitamin A.

Summary:
Get more vitamin E in your diet. Eat foods high in vitamin C. Get more vitamin A.