NutraA2Z Multi Collagen contains Collagen from hydrolyzed bovine collagen, chicken collagen, and eggshell membrane. Collagen is the most prevalent protein in your body. It is the "glue" that holds your body together. It is one of the major building blocks of bone, skin, and muscle. It helps support healthy hair, enhances skin softness, and supports strong nail growth. Collagen is the most abundant protein in our bodies and is needed to ensure the health and vitality of your skin, hair, nails, bones, joints, lungs, heart and liver. Around the age of 30, our bodies naturally begin to produce less collagen, and the first signs of aging start to occur. Rejuvenate your health while promoting a more youthful and glowing appearance. NutraA2Z Multi Collagen combines 5 types of collagen to support youthful looking skin and strengthens your hair and nails while helping to maintain your joints and supporting muscle growth, it is simple and effective to take, without excess calories It also supports stronger joints and bones while aiding in digestion and gut health. NutraA2Z Multi Collagen is fully hydrolyzed collagen, which is reduced to smaller, more digestible peptides. Type I Collagen: Anti-Aging Collagen that supports Skin Elasticity, Digestion and Improves Hydration, up to 90 percent of your body's collagen is type I collagen. Type II Collagen: Supports Joints, Bones & Cartilage. This type of collagen is known for treating joint pain quite effectively. Type III Collagen: Assists in the development of blood vessels, skin, connective tissues, lungs and tissue in the body's heart. Frequently works in tandem with Type I collagen. Type V Collagen: Supports Hair growth and is Vital in the Development of Other Collagen Types. Often found on the surface of cells, hair and for women; Type X Collagen: Plays a key role in the creation of articular cartilage, which is found at the ends of bones that come together to form joints.