Collagen is a tough protein that makes up approximately 30 percent of your body protein, according to the National Institutes of Health. This protein contributes to the integrity and strength of your tendons, bones and connective tissues. Collagen acts to provide your skin with firmness, elasticity and tone. As you age, collagen production in your body decreases and your skin may lose its firmness and tone. Eating foods that contain collagen or aid in collagen production may help you maintain healthy skin and tissues.
Vitamin C-rich Foods
Vitamin C is an essential vitamin in the production of collagen, according to the Linus Pauling Institute. A diet rich in foods containing vitamin C can help you maintain firm and healthy skin. Sources of vitamin C include fruits such as oranges, grapefruits, strawberries and tomatoes. Other sources include vegetables such as sweet potatoes, broccoli and red peppers.
Lysine-rich Foods
Lysine is an important amino acid in your body that aids in the production of collagen. Including lysine-rich foods in your diet may help support the production of collagen in your body, according to the University of Maryland Medical Center. Protein-rich foods are particularly good sources of lysine, including red meat, poultry and pork. Other protein-rich sources include parmesan cheese, cod, sardines, nuts and eggs.
Vegetarian Sources of Protein
Numerous vegetarian forms of protein can also aid in the formation of collagen. Vegetarian proteins can be rich in lysine, which contributes to collagen formation. According to the University of Maryland Medical Center, soy products such as tofu and soybeans can contribute to collagen formation in your skin, tendons and ligaments. Other vegetarian protein sources that aid in collagen production include legumes, beans, nuts and seeds.
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