vault backup: 2024-11-01 15:59:27

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zleyyij 2024-11-01 15:59:27 -06:00
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@ -30,4 +30,17 @@ Vitamins were first discovered in 1921
- They dissolve in water
- **Very limited amounts are stored** with the exception of B-12
- **Kidneys will filter out excess water soluble vitamins**
- Less likely to be toxic
- Less likely to be toxic
# Oxidization
- An *oxidizing agent* is a substance that removes electrons from atoms or molecules
- A *free radical* is a substance (C, H, O) with an unpaired electron
- Highly reactive, damages and destroys molecules
- **Antioxidants (Vitamin E, C)** are substances that **give up electrons to free radicals to protect cells**
# Vitamin Intake
- **Bioavailability** is the amount of a vitamin available for use in the body
- Factors that affect how available a vitamin is include:
- How long it takes the vitamin to pass through the intestinal tract
- Certain health conditions that affect the absorption of facts
- By cooking with a little bit of fat, you better absorb fat soluble vitamins from