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1. VITAMINS

2. What are vitamins?
●A nutrient needed in very small amounts
but essential to body functioning

●Removing a vitamin from the diet will
eventually cause deficiency (lack of)
symptoms

3. Function of Vitamins
●Individual vitamins serve different functions. As a
group vitamins assist in 5 things:
●Nutrient metabolism
●Ability to break up & use nutrients
●Energy Production & release
●Take energy from energy nutrients
●Vitamins have no calories therefore they give no energy
●Tissue Maintenance
●Normal Digestion
●Breakdown of foods
●Infection resistance
●Antioxidants/strong immune systems

4. Provitamins
●Some vitamins have a provitamin form
●This means that the body can convert the
provitamin form into the active form of the
vitamin
●Example:
●Carotene (orange color in fruit/veggie) is
converted to vitamin A

5. Classification of Vitamins
●Fat Soluble- vitamins dissolve in fats.
Excess in the diet are stored in the body
fat. This means we don’t need these
vitamins everyday but if you get too much
it can be toxic
●Toxicity- poisonous condition vitamins A & D
are toxic if you consume in large amounts

6. Fat-Soluble Vitamins
●A, D, E & K
●Absorbed like fat, into lymphatic
system
●Stored in larger quantities
●Less vulnerable to cooking
losses

7. Classification of Vitamins
●Water soluble- vitamins dissolve in water.
Excess in the diet becomes waste
materials- not stored. You need these
vitamins every day but won’t become toxic.
●Water is main source for removing waste

8. Water-Soluble Vitamins
Vitamins C, Vitamin B12, thiamin, niacin, riboflavin,
and folic acid are all examples of water soluble
vitamins.
●Absorbed into bloodstream
●Stored in small amounts
●Vulnerable to cooking losses

9. Understand Vitamins
●Vitamins in Foods
●Natural sources: ALL food groups
●Which is why it is so important to eat a wide variety
of foods
●Enriched & fortified