What are the water-soluble vitamins?

Prepare for the NCLEX Nutrition Exam. Employ flashcards and multiple choice questions with helpful hints and explanations. Ensure you're ready for your exam!

Water-soluble vitamins are essential nutrients that dissolve in water and are easily absorbed into the bloodstream. They include vitamin C and the B-complex vitamins, which play vital roles in various bodily functions. Vitamin C, for instance, is an antioxidant that supports immune function, collagen production, and iron absorption. The B-complex vitamins, which consist of several distinct vitamins including B1 (thiamine), B2 (riboflavin), B3 (niacin), B5 (pantothenic acid), B6 (pyridoxine), B7 (biotin), B9 (folate), and B12 (cobalamin), are crucial for energy metabolism, red blood cell production, and maintaining healthy brain function.

When water-soluble vitamins are consumed, any excess that the body does not need is typically excreted through urine, which is why these vitamins need to be replenished regularly through diet. This understanding of their solubility characteristics differentiates them from fat-soluble vitamins, which include vitamins A, D, E, and K. The fat-soluble vitamins are stored in body fat and can accumulate to toxic levels if taken in excess.

Recognizing this key difference can help highlight the importance of maintaining an adequate

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