1. Protein Metabolism: Vitamin B6 is involved in the metabolism of amino acids, which are the building blocks of proteins.
2. Red Blood Cell Production: Vitamin B6 is important for the production of red blood cells, which carry oxygen throughout the body.
3. Immune Function: Vitamin B6 plays a role in immune function by helping the body produce antibodies, which help to fight off infections.
4. Nervous System Function: Vitamin B6 is important for the proper functioning of the nervous system. It helps to produce neurotransmitters, which are the chemicals that transmit messages between nerve cells.
5. Hormone Regulation: Vitamin B6 is involved in the synthesis and regulation of several important hormones, including serotonin and melatonin, which are involved in mood regulation and sleep.

1. Meat: Meat, such as chicken, turkey, and beef, is a good source of vitamin B6.
2. Fish: Fish, such as salmon and tuna, are also good sources of vitamin B6.
3. Whole Grains: Whole grains, such as brown rice, quinoa, and whole wheat bread, are good sources of vitamin B6.
4. Legumes: Legumes, such as lentils, chickpeas, and black beans, are also good sources of vitamin B6.
5. Vegetables: Vegetables, such as spinach, potatoes, and carrots, are good sources of vitamin B6.

Vitamin B6 supplements are also available in various forms, including tablets and capsules. The recommended daily intake of vitamin B6 for adults is 1.3-1.7 mg per day, although higher amounts may be needed for certain populations, such as pregnant and breastfeeding women. It’s important to obtain vitamin B6 from food sources whenever possible, as supplements may not provide the same health benefits as whole foods.