Tomatoes: Tomatoes and other red fruits and vegetables are also rich in luetin.
Beans: There is an anti aging element known as hyaluronic acid that is found in the body. It is needed for skin repair, amongst many other functions. Beans contain reasonably high levels of hyaluronic acid can help your body to have sufficient of this nutrient thereby increasing your collagen production. Try butter beans, broad beans, kidney beans in fact any kind of bean.
Try this resource for ideas on how to use beans in your diet regularly. The Bean Bible: A Legumaniac's Guide To Lentils, Peas, And Every Edible Bean On The Planet!
Beetroot: Another nutrient that is used in producing collagen is anthocyanins. This is found in the purple pigments of foods like beetroot and purple cabbage. It is also a good antioxidant.
Vitamin C: Whether you use a supplement or choose foods high in vitamin C. This is an essential nutrient for overall health including producing sufficient collagen. Vitamin C rich foods include strawberries, oranges, kiwi fruit, Brussells sprouts.
There are many other foods that are great for our skin. For a start try adding some of these to your diet regularly. It is better to make changes bit by bit rather than try to make huge changes that are unsustainable.
Have great health