CHAPTER 7 - needed for energy metabolism and deficiency of...

Info icon This preview shows page 1. Sign up to view the full content.

View Full Document Right Arrow Icon
CHAPTER 7: VITAMINS Dr. Olfert's Brief Topic Overview Vitamins are essential nutrients needed in small amounts by your body for growth, reproduction, and maintenance of good health. There are 13 in all, some fat-soluble and some water-soluble. The fat-soluble vitamins, A, D, E, and K, require dietary fat for absorption. Since these vitamins are stored in the body, too much of each may be toxic. The water-soluble vitamins, (B-vitamins and C), are excreted by the body, so deficiency may be more of a concern than toxicity. Air, water, and heat exposure can be destructive to vitamins. Vitamin A plays a role in eye health and immunity. Vitamin E functions as an antioxidant and an anticoagulant. Vitamin K is required for your blood to clot, while Vitamin D is critical for bone health. The water-soluble vitamins are coenzymes, helping your body with its chemical reactions. Thiamin is
Image of page 1
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: needed for energy metabolism, and deficiency of it leads to beriberi. Riboflavin is also needed for energy metabolism. Deficiency of niacin may lead to pellagra. Anemia is possible with insufficient B6, folate, and B12. Vitamin C has antioxidant and immunity roles in your body. Pantothenic acid and biotin also help with energy metabolism. Antioxidant nutrients, such as vitamins A, C, and E, prevent cell damage by neutralizing free radicals. The best way to get vitamins is through consuming foods, including fortified foods, rather than through supplementation. However, some individuals, such as pregnant women or strict vegans, may have more of critical need for supplements. Above all, people should be sure to get your advice from a credible health care professional when it comes to decisions regarding dietary supplements....
View Full Document

{[ snackBarMessage ]}

What students are saying

  • Left Quote Icon

    As a current student on this bumpy collegiate pathway, I stumbled upon Course Hero, where I can find study resources for nearly all my courses, get online help from tutors 24/7, and even share my old projects, papers, and lecture notes with other students.

    Student Picture

    Kiran Temple University Fox School of Business ‘17, Course Hero Intern

  • Left Quote Icon

    I cannot even describe how much Course Hero helped me this summer. It’s truly become something I can always rely on and help me. In the end, I was not only able to survive summer classes, but I was able to thrive thanks to Course Hero.

    Student Picture

    Dana University of Pennsylvania ‘17, Course Hero Intern

  • Left Quote Icon

    The ability to access any university’s resources through Course Hero proved invaluable in my case. I was behind on Tulane coursework and actually used UCLA’s materials to help me move forward and get everything together on time.

    Student Picture

    Jill Tulane University ‘16, Course Hero Intern