Vitamins Flashcards
Vitamin Supplementation
Bone Strength
Calcium, Vitamin D, Magnesium
Vitamin Supplementation
Physical Energy
B-complex vitamins, [Chromium
+Guarana Blend (Ginseng),] + Caffeine (HTN-NO GO)
Vitamin Supplementation
Healthy Skin
Vitamin A, C, E
Vitamin Supplementation
Ocular
Vitamin A, Lycopene and Lutein
Vitamin Supplementation
Antioxidants
Vitamins A, C, E, Zinc
Special Considerations for Certain Populations:
Males and Females
> 50 years of age
Vitamin B12
Special Considerations for Certain Populations:
Females
Postmenopausal
Calcium + vitamin D
Special Considerations for Certain Populations:
Females
Breastfeeding
400 IU/ day of vitamin D
Special Considerations for Certain Populations:
Females
Childbearing age or pregnant
Vitamin A, Iron, Folic Acid
400 mcg/ day of folic acid (Increased dose in pregnancy) Iron supplement (pregnancy) Decreased vitamin A (pregnancy)
Vitamin C: Ascorbic acid
Uses
Antioxidant Immune function Common cold Wound healing Improves the absorption of non-heme iron
Vitamin C Deficiency (rare)
Scurvy
Vitamin C
Increased amounts of Vitamin C
Diarrhea*** (over 2 grams), avoid mega doses in pregnant women.
Nephrolithiasis—(KIDNEY STONES!!!)
Causes of Folic Acid Deficiency
Medications (Methotrexate, trimethoprim (Folate antagonist—decrease folic acid levels,
Anticonvulsants, —decrease folice acid levels sulfasalazine)
Alcoholism
Malabsorption
What is Folic Acid closely related too?
The function is closely related to vitamin B12
What are the uses of Folic Acid?
Pteroylglutamic acid
Pregnancy- folic acid deficiency has been associated with neural tube defects in newborns((
Anemia
What are the uses for Vitamin B12 (Cyanocobalamin) ?
Metabolism of folate – Propertional with B12
Vitamin B12 (Cyanocobalamin) Deficiency signs and symptoms?
Want to uses in older Adults**
Lethargy, weakness, loss of appetite, weight loss, and megaloblastic anemia
Paresthesia, peripheral neuropathy, unsteadiness, poor muscular coordination, agitation hallucinations
Problems with balance, depression, confusion, poor memory, and soreness of the mouth or tongue
Causes of vitamin B12 deficiency?
Medications (i.e. metformin)*****
Older adults – anyone older than 50
What are the uses of Vitamin B6 (Pyridoxine)?
Immune function—And ENERGY!!!
Brain development during pregnancy and infancy***
What are the potential benefits of Vitamin B6?
Nausea and vomiting in pregnancy – Morning Sickness (possible)
Carpal tunnel syndrome
Premenstrual syndrome - PMS
Depression
Vitamin B6 (Pyridoxine) Deficiency symptoms?
Anemia, itchy rash, scaly skin on the lips, cracks at the corner of the mouth, and a swollen tongue
Drug interactions for Vitamin Vitamin B6 (Pyridoxine)?
Isoniazid – u need to take B6 50mg DAILY REQUIRED***
Phenobarbital/ phenytoin – B6 decreases concentration
Levodopa – B6 breaks down LEVODAPA—it does not help
—> just take Carbidopa
Vitamin B3 (Niacin) uses?
Dyslipidemia
- –Decreases TG and LDL
- –Increases HDL
Vitamin B3 (Niacin) symptoms?
Immediate Release
Itching, flushing-Histamine Release, headache
Can take ASA or NSAID 30 minutes prior**
Vitamin B3 (Niacin) symptoms?
Extended Release
Less flushing and once daily dosing.
increase in gastric adverse effects and increase risk of hepatotoxicy ***
Vitamin B3 Deficiency Symptoms?
Dermatitis, Diarrhea, Dementia – Pellagra -3D’s
3D’s
Adverse Effects (niacin toxicity?
Vitamin B3 toxcity?
GI symptoms (i.e. nausea ,vomiting, diarrhea)
Hepatotoxicity – NEVER REC for any patients with Hepatic insufficiency
Rash
Vitamin B1 (Thiamin)
What patients should get them?
Vitamin supplement containing thiamin should be prescribed for the alcoholic patient
(Vitamine B1) Thiamin Deficiency?
Alcoholism*
–Inadequate diet
Neuromuscular symptoms (i.e. peripheral neuritis, weakness, and Wernicke’s encephalopathy) – Eyes going into different directions!!!
Thiamin
B1
Riboflavin
B2
Niacin
B3
Pantothenic Acid
B5
Pyridoxine
B6
Cyanocobalamin
B12
Whats Vitamin B Complex used for?
Energy
(Ascorbic Acid)
Vitamin C
Vitamin E : Uses
Antioxidant
Immune function
Vitamin E contents?
What is is good for?
Alpha-tocopherol***
-Wound healing - decreases the time to heal.
Vitamin D ADR?
Adverse effects (Vitamin D toxicity)—Or HYPERCALCIMEIA
Polyuria, arrhythmias anorexia
Nephrolithiasis (kidneys stones)
Vitamin D: DDI?
Drug Interactions
- Phenytoin, carbamazepine, barbiturates
- -Increases metabolism of vitamin D
Vitamin D Deficiency?
Rickets – mainly in children (Children born to vegan families)
Failure of bone tissue to mineralize properly, resulting in soft bones and skeletal deformities.
Osteomalacia
D2
Ergocalciferol
D3
Cholecalciferol
Vitamin A Safety Considerations
DDI?
Orlistat, cholestyramine
Vitamin A Safety Considerations
Pregnancy/ women of childbearing age?
Avoid vitamin A doses above dietary reference intake; physical birth defects- teratogenicity
Vitamin A Deficiency
Nyctalopia (night blindness) – lose vision at night.
Xerophthalmia (dry eye)
Vitamin A Uses?
Antioxidant activity* ->
(A.C.E.->Vitamin A, C,E)
Vision – 50,000 children in 3rd world go blind over deviancy.
Vitamins with Antioxidant activity?
A.C.E
Vitamin A, C, and E.
some in Zinc (mineral)
Vitamin A compounds?
Retinoids (i.e. Retinol)
Carotenoids (i.e. beta-carotene) over REtinial
Lutein and Lycopene –Acuvit – Good for Vision
Fat Soluble Vitamin Deficiency
Medications Responsible?
lipids and absorption is facilitated by bile
Cholestyramine
Orlistat – Alli (must take multivitamin daily and take offer 2 hours of administration. (before or after???)
Mineral Oil– (binds to all fat vitamin) never reccommed mineral oil
Fat Soluble Vitamins
A, D, E, K
Generally stored in the body so ingestion of excessive quantities may be toxic –HyperVItamin OSIS
Fat- use need bile to absorbs fats and helps be excreted?? It in the boidy
Water Soluble Vitamins
B-complex, C
Generally NOT stored in the body and excessive quantities tend to be excreted via the urine
Water—just excreted out
Clinical Situations in Which Vitamin Deficiency Syndromes Occur
Poverty, elderly, alcoholics, restrictive diets (i.e. vegan)
Alcoholism (increases folate metabolism- not absorbing folic acid), genetic polymorphisms
What advice would you give Warfarin patient who constantly eats vitamin K?
Take Vitamin K – consistently
What makes your pee bright yellow?
Vitamin B complex
What’s Vitamin B12 great for?
ENERGY
Nutrient Supplementation:
Why should people take it?
Vitamin and mineral supplements should be used as adjuncts to a balanced diet
Deficiency states should be treated under medical supervision
Natural” vitamin products are frequently
supplemented with synthetic vitamins
(i.e. Vitamin C with rose hips)