B Vitamins Flashcards
(14 cards)
What are the common supplement forms of Vitamin B1 (Thiamine)?
Thiamine hydrochloride and thiamine mononitrate.
What groups are at higher risk of Vitamin B1 deficiency?
Alcoholics and elderly people.
How is Vitamin B2 (Riboflavin) best absorbed?
Between meals.
What happens to urine when taking Vitamin B2 supplements?
It turns bright yellow.
Name the three forms of Vitamin B3.
Niacin, niacinamide (nicotinamide), and nicotinic acid.
What common side effect is caused by nicotinic acid?
Non-allergic flushing and prickly heat sensation.
For what conditions is niacin commonly used?
Lowering cholesterol and triglycerides, and treating Raynaud’s disease.
What is niacinamide mainly used for?
Diabetes and blood sugar control.
Why should niacin be taken with meals?
To avoid stomach irritation.
What forms of Vitamin B12 are active in the body?
Methylcobalamin and adenosylcobalamin.
What form of Vitamin B12 do most supplements contain, and what is special about it?
Cyanocobalamin; it is inactive and needs conversion in the body.
When is hydroxycobalamin used as a Vitamin B12 supplement?
For those intolerant to methyl groups or to start B12 supplementation if both folate and B12 deficiency exist.
Does Vitamin B12 require stomach acid for absorption?
No, but it requires intrinsic factor.
What form of B12 supplementation may benefit those with digestive issues?
Sublingual Vitamin B12.
