Vitamin E

Question 1

what are the names of natural vitamin E’s

Answer 1

Tocopherols and Tocotrienols

Question 2

What are the names of Vitamin E supplements?

Answer 2

Alpha Tocopherols

Question 3

How is Vitamin E Absorbed/Digested?

Answer 3

1) Tocopherols and Tocotrienols (Natural) Vitamin E’s get their fatty acid removed by lipases, then as they enter the small intestine bile is released and 50% is absorbed by passive diffusion in the Jejunum
2) Once absorbed by the small intestine it is all packed into chylomicrons and sent to the liver

Question 4

How is Vitamin E stored?

Answer 4

90% in Adipose tissue (plasma membrane)

Question 5

What is the function of Vitamin E in the body?

Answer 5

Antioxidant

- donates hydrogen to free radicals

Question 6

What is the best source of Vitamin E?

Answer 6

Plant oils (Canola oil, olive oil, sunflower oil, corn oil, nuts etc..)

Question 7

who is at risk for Hypovitaminosis E

Answer 7

Patients with Fatty Malabsorption Disorders

Premature Infants

Question 8

What are the symptoms of Hypovitaminosis E

Answer 8

Myopathy, peripheral neuopathy, loss of coordination, loss of tendon reflexes, hemolytic anemia (premature infants)

Question 9

What amount indicates Hypovitaminosis E

Answer 9

less than 5ug/mL

Question 10

what is the safe upper limit of Vitamin E

Answer 10

1000mg/day

Question 11

What are the symptoms of vitamin E toxicity

Answer 11

bleeding, nausea, diarrhea, fatigue