Nature'slab - vitamin c 1000mg - 120 capsules supports immune system health vitamin c is a key building block in the body. Vitamin c is required for many biological processes, but it is best known for its important role in ing immune system health. Vitamin c helps healthy blood cells to immune health and also acts as an antioxidant to help cells fight against oxidative stress. Because this important vitamin isn't produced or stored by the body, it is important to replenish vitamin c daily. Nature's lab vitamin c is a convenient way to help achieve healthy levels of vitamin c. Nature's lab vitamin c: supports immune system health supports antioxidant health contains 1, 000mg vitamin c per serving. Nature's lab vitamin c 1000mg healthy - 120 capsules (120 servings)