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Introduction to Vitamins

by Georgina Cornwall, PhD
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    In this first lecture on vitamins, I'll be introducing you to differences between water soluble and fat soluble vitamins. And then we will go on to explore the details of each that you should know for your exams. First, we'll take a look at the common features of water soluble vitamins. First of all they are hydrophillic. Hence, the reason that they are water soluble. Which means that we need them only in small amounts and that any excess is going to be excreted in the urine. So rarely will we see a toxicity of water soluble vitamins. But more likely a deficiency because there are no backup stores in the body. The exception to this rule are in vitamin B12 and B9. Which are stored in a fairly significant amount in the liver. So that they are available for future use. So let's take a quick look at all of the vitamins, water soluble vitamins that we'll be covering. This is all the Bs as well as the vitamin C. And you have names associated with each. But let me caution you or let you know that these names and numbers are not things that you need to match together anytime they mention on your exam one or the other. Both pieces will be there. Of course by the time you are done with learning these vitamins, you probably will know the names as well as the letters associated with them for each. Anyway, we will then cover details of fat soluble vitamins. Fat soluble vitamins, there are many less of them. So much less to handle there. They are all hydrophobic and hence the fact that they are fat soluble. Again necessary in small amounts. Any excess here will be stored in the liver or fat. Because they...

    About the Lecture

    The lecture Introduction to Vitamins by Georgina Cornwall, PhD is from the course Nutrition. It contains the following chapters:

    • Introduction to Vitamins
    • Absorption of Fat Soluble Vitamins

    Author of lecture Introduction to Vitamins

     Georgina Cornwall, PhD

    Georgina Cornwall, PhD


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