Many foods are high in arginine. They are as follows. 1. Nuts Walnuts, peanuts, cashews, brazil nuts, almonds, pecans, and hazelnuts. 2. Seeds Pumpkin, watermelon, sesame, and sunflower seeds. 3. Dairy products Milk, yogurt, and cheese. 4. White meat Turkey breasts and chicken breasts have more arginine than red meat like beef. 5. Grains Corn, buckwheat, brown rice, and oats.