Which vitamins are considered fat-soluble?

Vitamins are categorized into two main groups based on their solubility: fat-soluble and water-soluble. The fat-soluble vitamins—A, D, E, and K—are absorbed along with dietary fat and can be stored in the body's fatty tissue and liver, allowing for reserves that can be utilized as needed.

Vitamin A is essential for vision and immune function. Vitamin D helps regulate calcium and phosphorus in the body, which is crucial for maintaining healthy bones. Vitamin E acts as an antioxidant, protecting cells from damage, while Vitamin K is vital for blood clotting and bone metabolism.

The other options incorrectly include water-soluble vitamins, like the B vitamins and vitamin C, which do not belong to the fat-soluble category. Water-soluble vitamins dissolve in water, are generally not stored in significant amounts in the body, and must be consumed more regularly to avoid deficiencies. This distinction highlights the unique properties and absorption mechanisms of fat-soluble vitamins compared to their water-soluble counterparts.