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Vitamin E

Introduction

Vitamin e is another fat soluble nutrient that functions as a beneficial antioxidant in the body by preventing the spread of free-radical reactions.[2]

There are approximately eight naturally occurring forms of vitamin E and only a-tocopherol is recognised to meet human needs.[1]

It is known to protect skin against harmful UV radiations and free radicals damage and hence it is an integral part of skin’s antioxidant defenses. [5]

Some studies indicate that vitamin e supplementation can help against skin wrinkling or photoprotection.[5]

Body Functions

Recommended Daily Intake

Deficiency Symptoms

  • Muscle weakness [7]
  • Vision problems [7]
  • Immune system changes[7]
  • Numbness [7]
  • Difficulty in walking [7]
  • Poor sense of balance [7]
  • May also cause anaemia [7]
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Vegan Food Sources

Side Effects

  • Nausea [8]
  • Diarrhea [8]
  • Intestinal cramps [8]
  • Fatigue [8]
  • Weakness [8]
  • Headache [8]

Groups At Risk

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Impact On Other Nutrients

  • Polyunsaturated fatty acids (PUFAs) – Vitamin E requirements may increase when intakes of PUFAs are increased.[2]
  • Vitamin K – Taking vitamin E with vitamin K might decrease the effects of vitamin K.[8]
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Solubility type: Fat soluble.

Storage: Vitamin E is absorbed in the intestine and stored in the liver. [2].

Absorption: vitamin E

Absorption is estimated to be around 51 to 86 percent[3] Because vitamin E is a fat-soluble nutrient, its absorption is enhanced when it is consumed in a meal that contains fat; [2] Vitamin E is excreted in both the urine and feces, with fecal elimination being the major mode of excretion [2]

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