Vitamin C

Vitamin C, also known as ascorbic acid, is a water-soluble vitamin that is essential for the growth, development, and repair of all body tissues. It plays a significant role in maintaining the health of the skin, bones, and connective tissues. Additionally, vitamin C is a powerful antioxidant, which means it helps protect the body from damaging free radicals.

Sources of Vitamin C

Vitamin C is found in various fruits and vegetables, including:

• Oranges
• Strawberries
• Kiwi
• Bell peppers
• Broccoli
• Tomatoes

Functions of Vitamin C

1. Collagen Synthesis: Vitamin C is essential for the synthesis of collagen, a protein that is crucial for the structure and maintenance of skin, bones, and blood vessels.

2. Antioxidant Activity: Vitamin C helps protect cells from damage caused by free radicals and reactive oxygen species.

3. Immune Function: It supports the immune system by enhancing the function of immune cells and promoting the production of white blood cells.

4. Wound Healing: Vitamin C is necessary for the formation of new connective tissue and the repair of wounds.

Deficiency and Toxicity

A deficiency of vitamin C can lead to scurvy, a condition characterized by fatigue, weakness, and bleeding gums. On the other hand, excessive intake of vitamin C can cause gastrointestinal disturbances, such as diarrhea and nausea.

Study Guide

Here are some key points to remember about vitamin C:

• Understand the sources of vitamin C and include them in your diet.
• Learn the functions of vitamin C, particularly its role in collagen synthesis and as an antioxidant.
• Be aware of the symptoms of vitamin C deficiency and the potential risks of excessive vitamin C intake.
• Explore the impact of vitamin C on immune function and wound healing.

Remember to incorporate a variety of vitamin C-rich foods into your meals to ensure you are meeting your body's vitamin C needs.