Vitamins and Minerals Flashcards
Is a vitamin a good solution for health problems?
not really, however they cant hurt to take
What is the best source of vitamins and minerals?
natural foods
it is unnecessary to take vitamins and minerals with a good diet
What are some reasons that individuals take vitamins?
dietary insurance (usually overkill)
for energy (psychological)
prevent illness (not really true)
specific medical reasons (for eyes)
What is the exception to the rule that natural is better than synthetic?
Vitamin B12
Why is B12 the exception to the rule of natural>synthetic?
B12 is cleaved to proteins, stomach acid removes B12 from the protein, and as we age we tend to have less stomach acid
What are some situations where an individual is actually in need of vitamins?
impoverished
alcoholism
pregnancy/lactation
intense dieting
elderly
What is the automatic suggestion for vitamin D supplementation when a child is breast-fed? What about a formula-fed infant?
400IU
None
What is the dosage of vitamin D supplementation for an infant who lives in northern areas from October through April?
doubled what the regular amount is
800IU in breast-fed
400IU in formula-fed
How much vitamin D is in one drop of Ddrops?
400IU
How much iron is needed in infants up to 6 months?
not needed, enough stores at birth
True or false: a pharmacist can assess whether or not an infant needs an iron supplement
false
this is an MD assessment
How should iron be consumed for an infant after 6 months of age?
iron-enriched cereals
What schedule is Pediafer?
Schedule II
always directed by a doctor
What is the general consensus around vit/min supplementation for children?
natural is always the best way to go, try get vitamins and minerals from food sources
What is the RDA of vitamin D for infants (0-12 months)?
400IU
Until what age do we double vitamin D dosage in northern areas?
0-6 months
What is the RDA of Vit D for ages 1-70? Elders? Pregnancy+lactation?
600IU
800IU
600IU
Which fat-soluble vitamin are we most concerned about in terms of toxicity?
D
What is the issue with gummy or chewable vitamins?
less nutrients are packed in compared to an adult vitamin
What is the importance of calcium intake in young girls?
early calcium load is good because most bone material is formed at 30 years old
What are the two minerals we should be concerned about in young girls?
calcium and iron
What is the importance of iron intake in young girls?
monthly loss due to menstruation
Do most adults need a vitamin?
people who use them, likely do not need them
still help pick one
In general, what is the greatest source of vitamin D?
the sun, not very many foods are great sources
When one is consistently using sunscreen, what should an individual take to ensure they are getting adequate vitamin D?
a vitamin D supplement as sunscreen can block the bio-activation process of making vitamin D
What is the main function of vitamin D?
calcium homeostasis and bone health
True or false: vitamin D toxicity is common
false, it is extremely rare
What are some reasons that an elder takes a vit/min?
lower appetite
eat less
health status
changing needs
Which two vits/mins do seniors need more of?
calcium and vitamin D (not significantly more)
Which vitamin stays constant in the amount needed throughout life?
B12 (2.4ug)
2.4ug is the amount needed to live
At what age should we start using synthetic B12 and why?
Age 50 due to reduced stomach acid
Is B12 virtually non-toxic?
yes
Is sub-lingual B12 better than the oral version?
no extra value, only increased price
What is pretty much always the automatic supplement recommendation for pregnancy?
Materna
What is the goal of Materna?
folic acid delivery system
folate must be in the mothers system pre-conception to prevent neural tube defects
Which are the four big vit/min concerns for pregnancy?
iron, folate, calcium, vitamin D
What are the amounts of iron, folate, calcium, and vitamin D needed during pregnancy?
Iron: 18mg—>27mg
Folate: 400ug—>400ug supp before + during preg
Calcium: 1000mg—>no change, unless high risk (+300mg)
Vitamin D: 600IU—>no change
When is 5mg of folic acid typically used in pregnancy?
high-risk pregnancies, pediatrician recommended
Which vit/min usually gets the blame for nausea and vomiting during pregnancy? Which vit/min is most likely causing these symptoms?
iron
most likely the B vitamins
Which item has by-passed the OTC world and become a prescription to allow for insurance usage?
PregVit (due to having folate content greater than 1mg)
Which defect are we trying to prevent by using folic acid?
spina bifida (neural tube doesnt close or develop properly)
When is folic acid usage the best?
pre-conception (3 months)
What is the goal of a multivitamin?
fill in nutritional gaps
What is the RDA of calcium in ages 19-50? Does the RDA differ drastically for children and elders?
1000mg
no it does not differ drastically, only a couple hundred mg difference
What is the UL for calcium?
2500mg
Is calcium relatively side effect free? If we were to see side effects after passing the UL, what is the most likely side effect that we see?
yes it is relatively side effect free
possibly some constipation
Do we have to take calcium at a specific time of day? What about vitamin D?
no both can be taken at any time of day
vitamin D will figure it out and find a way to get the calcium in the body
Why is it not ideal to take 1000mg of calcium in one sitting?
we can only absorb 500mg at once
if we take 1000mg in a meal then we only absorb half
How much calcium is usually in a tablet? What about multivitamins?
500mg
usually 2-3x less in a multivitamin
What is the most common salt of calcium?
calcium carbonate
True or false: calcium should be taken with food
true
stomach acid is very helpful