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Vitamin K
(menadione, phylloquinone, menaquinone)
DRI (RDA or AI for Adults)
- Male: 120 mcg; Female: 90 mcg.
Adult Maintenance - Therapeutic Range
Major Sources (460 mcg to 20 mcg per serving)
- Brussels sprouts, chopped broccoli, cauliflower, Swiss
chard, spinach, looseleaf lettuce, carrot, green beans, asparagus, egg,
strawberry, avocado, peapods. (Synthesized in the intestinal tract.)
Non-Therapeutic Importance
- Aids in production of prothrombin, a compound required for
normal clotting of blood; Menadione, the synthetic form, is somewhat toxic in large
amounts.
Deficiency Symptoms
- Children: hemorrhagic disease of newborns
- Adults: defective blood clotting
Increased Risk for Deficiency
- Biliary fistula
- Chronic pancreatitis
- Chronic diarrhea
- Fat malabsorption
- Intestinal bypass
- Liver disease
- Obstructive jaundice
- Prolonged sulfa and antibiotic drug therapy
Possible Therapeutic Applications
CONSULT WITH A HEALTH PROFESSIONAL FIRST: HIGH DOSAGE
NOTE: Consult first with your physician if you are taking blood thinning drugs.
Supplementation may prevent, correct deficiencies caused by, or be helpful with,
the following conditions:
- Atherosclerosis (heart disease)
- Capillary Fragility (bruising)
- Celiac Disease
- Crohn's Disease
- Osteoporosis
- Ulcerative Colitis
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