The vitamin which assists in the formation of collagen, supports a healthy immune system, and improves the absorption of plant iron is vitamin C. False True

## Step 1<br />The problem statement is a statement about the functions of Vitamin C in the human body. We need to determine whether this statement is true or false.<br />## Step 2<br />Vitamin C, also known as ascorbic acid, is indeed known for its role in the formation of collagen, a protein that helps in the formation of skin, blood vessels, and other tissues. This is a well-known fact in the field of biology and nutrition.<br />## Step 3<br />Furthermore, Vitamin C is also known for its role in supporting a healthy immune system. It does this by stimulating the production and function of white blood cells, which are the body's primary defense against infections.<br />## Step 4<br />Lastly, Vitamin C is known to improve the absorption of plant-based iron. This is because it can convert the iron in plant-based foods into a form that is more easily absorbed by the body.<br />## Step 5<br />Given these facts, the statement in the problem is indeed true.