Vitamin B complex is a group of five water-soluble vitamins that play important roles in the body. These vitamins are Thiamine (B1), Riboflavin (B2), Niacin (B3), Pantothenic acid (B5), and Pyridoxine (B6). Each of these vitamins has a unique function in the body, but they often work together to support metabolism, energy production, and cell growth and development. Some of the functions of vitamin B complex include:

1. Energy production: The B vitamins are important for the metabolism of carbohydrates, fats, and proteins, which provide the body with energy.
2. Enhanced immune function: Vitamin B complex may help boost the immune system.
3. Improved skin health  and appearance.
4. Reduced stress and anxiety: B vitamins are important for supporting the nervous system, and IV vitamin B complex may help reduce stress and anxiety.
5. Enhanced athletic performance
6. Vitamin B complex is involved in the production of neurotransmitters which enhances the nervous system function.
7. Red blood cell production: Vitamin B complex is important for the production of red blood cells, which carry oxygen throughout the body.
8. Involved in DNA synthesis and cell division, which are important for growth and development.