Functions

• coenzyme in synthesis of fatty acids and glycogen
• important in blood clotting
• aids in bone formation

Deficiency

• haemorrhagic problems
• 30 percent higher risk of hip fractures

Characteristics

• fat soluble

Good Sources

• green leafy vegetables
• broccoli
• peas
• soybeans
• potatoes
• liver

Notes

• Vitamin K2 is the metabolic compound produced by the body from vitamin K
  • Also found in natto (Japanesse fermented soybean dish), cottage cheese, and certain cheeses
    • metabolite of the bacteria that ferments milk into cheese

Adequate Intakes (AI)

• Males (Adult)
  • 120 mcg
• Females (Adult)
  • 90 mcg
• Sufficient data to set RDA are unavailable

Tolerable Upper Intake Levels (UL)

• Adults (19 to 50 yrs)
  • not yet determined

Intakes above UL may lead to negative health consequences.

Supplementation

• Not recommended.