Which of these is vitamin B2?

B vitamins are a class of water-soluble vitamins that play important roles in cell metabolism.

Vitamin B2, or riboflavin, is one of eight B vitamins that are essential for human health. It can be found in grains, plants, and dairy products. It is crucial for breaking down food components, absorbing other nutrients, and maintaining tissues.

Vitamin B3, also known as niacin. It plays a role in converting the food we eat into energy. It helps the body to use proteins and fats, and it keeps the skin, hair, and nervous system healthy.

Thiamine (B1) is also used for digestive problems including poor appetite, ulcerative colitis, and ongoing diarrhea.

Cobalamin (B12) has a key role in the normal functioning of the nervous system. It is involved in the metabolism of every cell of the human body.