The main ingredients you are looking to eat here are Vitamin C, Lysine, Manganese and Copper. Everyone could stand to rebuild their collagen supply. What do you have to lose? Items with an asterick have more than one of these properties. Try eating more of these:
Pineapple, nuts* (specifically pecans, almonds, cashews), sunflower seeds, whole grains*, leafy greens, citrus fruit, sweet red peppers, strawberries*, sweet potatoes, soy, cheese, lentils, mushrooms.