The water-soluble vitamins include

The water-soluble vitamins include:

1. Vitamin B1 (Thiamine): This vitamin helps convert nutrients into energy. It's essential for the growth, development, and function of the cells in your body.

2. Vitamin B2 (Riboflavin): This vitamin is crucial for growth and red blood cell production. It also helps in energy release from proteins.

3. Vitamin B3 (Niacin): This vitamin is essential for the metabolism of food and the production of hormones.

4. Vitamin B5 (Pantothenic Acid): This vitamin is necessary for the making of blood cells, and it helps convert the food you eat into energy.

5. Vitamin B6 (Pyridoxine): This vitamin plays a role in improving mood and promoting brain health.

6. Vitamin B7 (Biotin): This vitamin is essential for the health of hair, skin, and nails.

7. Vitamin B9 (Folic Acid): This vitamin is crucial during early pregnancy to reduce the risk of birth defects of the brain and spine.

8. Vitamin B12 (Cobalamin): This vitamin is essential for neurological function and the creation of red blood cells.

9. Vitamin C (Ascorbic Acid): This vitamin is necessary for the growth, development, and repair of all body tissues. It's involved in many body functions, including the formation of collagen, absorption of iron, the immune system, wound healing, and the maintenance of cartilage, bones, and teeth.

These vitamins are called water-soluble because they dissolve in water when the body uses them. Any excess amounts of these vitamins are flushed out by the kidneys in the urine.