Vitamins and Minerals pt 2 Flashcards
How valuable is tonic liquid?
Some vitamin Bs and only 5mg iron per dose
not that useful
What is the best source of iron and what is the RDA
Dietary from heme (meats) as its more accessible and available to the body. 10-15% absorbed from diet.
RDA is 15-18 mg for women
If dietary is not possible, how does one get supplements?
Becomes medical situation and needs lab tests or an assessment. Ask if MD sent in for iron tablets
What are the available salt forms or iron and their colours
Which salt is the best starting point if no MD preference
Ferrous fumarate (33%) - blue
Ferrous Sulfate (20%) - red
Ferrous gluconate (12%) - green
Best start is ferrous sulfate as a middle point. Best choice is how fast you want to see increase in iron
When should you take iron to absorb the most?
Best to take between meals. But if adherence is better with meals, drop in availability is not big issue
-Adding vitamin C didn’t seem to help
What type of salt is best for significant iron deficiency
Ferrous fumarate as want the highest availability. Is best to take this dose with food
What type of salt is best for significant iron deficiency
Ferrous fumarate as want the highest availability. Is best to take this dose with food
How long does it take to help with iron deficiency symptoms
2-3 weeks
What is a problem that makes slow-release preps less effective?
Best absorbed in the gut, may not be dissolved yet when want to absorb the iron. Excreted with no value.
What problem can iron supplements cause in children?
Toxicity, poisoning deaths common
What is the RDA for pregnancy, and what can it be dropped to if causes nausea
27 mg (supp has 16-20mg)
Dropping to 10 mg sufficient if iron is in the diet
What medication is given when worried about iron stores in pregnancy?
Palafer recommended by doctor. Contains 100 mg
When is Folic acid prescribed during pregancy
For high risk pregnancy, prescribed
Does niacin have OTC indication?
No indication, need very high amounts
Was used a lot for cholesterol, caused flushing
Do B vitamins drive to have less stress?
No
Do stresstabs work?
No clinically found help. Psychological effect
Where does Age-related Macular Degeneration occur. Can eye sight be restored?
In the center of the retina, back of eye gets flooded with blood, fat builds up in eye
Vision is not retainable
How does AMD compare to glaucoma
Glaucoma is loss of sight around the edges, AMD begins from the centre
What are the percentages for dry type versus wet type of AMD
dry = 90%, wet = 10%
loss of vision over time vs vascular loss
What is the benefit to AMD by using AREDS vitamins. Which vitamins work correctly?
Potentially delays progression in 1/4 cases. Not dietary based achievement
Ones that work properly are AREDS and AREDS 2
What is the benefit to AMD by using AREDS vitamins. Which vitamins work correctly?
Potentially delays progression in 1/4 cases. Not dietary based achievement
Ones that work properly are AREDS and AREDS 2
What vitamins do AREDS include
beta carotene, Vit C, Vit E, zinc, copper
What is the RDA for magnesium and what are supp likely used for
320-420 mg
Used for: heart health, leg cramps, bone health, depression, anti-constipation
what is the side effect of using 500 mg supp
Possibility of causing diarrhea. Can reduce to 250 mg which is about 60% RDA
