Nutrition Case 2: B6 Flashcards
medical definition of PMS
cyclic reoccurence of of physical and or cognitive symptoms between ovulation and onset of menses (Rxtx PMS)
does B6 really work to decrease pMS symptoms?
maybe, limited studies
what are some less serious and more serious adverse effects of B6
less serious: headache, nausea, burning/itching (paresthesia)
more serious: sensory neuropathy and ataxia, numbness in hands and feet
what are the other vitamins/minerals that may be helpful for PMS?
calcium, magnesium, vitamin e (but I would absolutely not tell them to take that)
is 1000mg of vitamin C appropriate to take?
adult requirement is 75-90mg so no bb
what are some toxicities associated with too much vitamin C (>2g)
nasuea, emesis, diarrhea, sleep disturbances, esphagitis
does a smoker require more or less vitamin C
more
b6 is an important cofactor in the making of what 2 neurotransmitters?
serotonin and dopamine
what is the recommended daily intake for B6?
1.3mg/day
what are some food sources of B6?
meat/fish, bananas and rice
why does smoking increase need for vitamin C?
increased oxidative stress (vitamin C is an antioxidant)
what are some side-effects of vitamin C?
GI upset, increased iron absorption, kidney stones
what form of vitamin C could you recommend to potentially lower GI upset? why?
ester-C, it is buffered and releases slowly
is vitamin C dose dependent?
yes, smaller doses increase BA
what is the general function of zinc?
cogactor in carbohydrate breakdown and involved in immune function
