Vitamin B2

Question 1

Is Vitamin B2 fat or water soluble?

Answer 1

Water soluble

Question 2

What is the other name for Vitamin B2?

Answer 2

Riboflavin

Question 3

Where is Vitamin B2 absorbed in the body?

Answer 3

Small Intestine

Animal sources more bioavailable than plant sources

Question 4

Which body systems need Vitamin B2?

[MURDERS LINC]

Answer 4

M - 
U - 
R - 
D - Co-factor of FMN & FAD enzymes, liver detoxification, metabolism of carbs, fats and iron
E - 
R - pregnancy
S - 
L - 
I  - healthy skin, hair & nails
N - vision & altitude
C - RBC formation

Question 5

Why is the FMN enzyme important?

Answer 5

Transforms Vitamin B6 into P5P which enables
muscles and the liver to use stored glycogen
for energy

Question 6

Why is the FAD enzyme important?

Answer 6

1) recharges Vitamin A from retinoic form in the retina
2) changes folic acid into its active form 5-methyl THF
3) enables liver to make Vitamin B3 from tryptophan

Question 7

Name symptoms of deficiency

[MURDERS LINC

Answer 7

M - 
U - 
R - 
D - 
E - 
R - damaged fetus during growth
S - 
L - 
I  - Dandruff, split nails, eczema, dull or oily hair, 
cracked lips, cracks and sores at the side of the mouth, inflammation of mouth or tongue, sore tongue, 
sore genitalia
N - Eye fatigue, eye disorders, (blurry, dry eyes), gritty, burning eyes, sensitivity to bright lights, cataracts
C - low RBC count

Question 8

Food sources

Answer 8

Animal - Egg yolk, fish, liver, pork, chicken & yogurt
Plant - Alfafa, asparagus, avocado, beet greens, broccoli, brussel sprouts, mushrooms, green leafy vegetables, spinach, watercress, spirulina, brown rice, wheat bran, chamomile, fennel, nettle, parsley, peppermint, rose hip, sage, cayenne pepper, ginseng, nuts and molasses

Question 9

Factors that increase requirements

Answer 9

Physical - hypothyroidism, adrenal fatigue, elderly,
GI diseases, constipation, illness, surgery, dialysis, diarrhea/vomiting, lactose intolerance
Environmental -
Emotional - stress
Dietary - coffee, tea & alcohol, (>Zn, Fe & Cu)
Medical - BP medication, diuretics, hormone medication,
anti-depressants, cancer drugs, anti-psychotic drugs, anti-malaria drugs, anti-convulsant drugs

Question 10

Dosage

Answer 10

M - 1.3mg/day & F 1.1mg/day

Therapeutic level - 25-100mg/day

Question 11

What other role does B2 play?

Answer 11

In the cell

1. Cell respiration & utilisation of O2
2. Energises & cleanses cells
3. Regulates body’s acidity levels