vitamin B4 - choline

Question 1

What are some sources of choline?

Answer 1

Egg yolks, liver, meat, chicken, fish, dairy

These are common dietary sources rich in the nutrient.

Question 2

How is the choline classified in terms of essentiality?

Answer 2

Conditionally essential

This classification means that under certain conditions, the body may require additional amounts.

Question 3

What pathway produces the choline?

Answer 3

Methionine pathway

This pathway is crucial for the synthesis of the nutrient from methionine.

Question 4

What role does choline play when vitamin B12 and folate are low?

Answer 4

Methyl donor

It assists in methylation processes when these vitamins are deficient.

Question 5

What neurotransmitter is the choline a part of?

Answer 5

Acetylcholine

Acetylcholine is important for memory and sleep functions.

Question 6

True or False: Deficiency of the choline is common.

Answer 6

False

Deficiency is considered rare.

Question 7

What are some symptoms of toxicity for choline?

Answer 7

Fishy body odour, nausea, sweating, hypotension

These symptoms indicate an excess intake of the nutrient.