Fasting vitamin K1 reference values in healthy adults range from to μg/L After this age, the adequate intake progressively increases from 30 μg/die in.
Vitamin K deficiency bleeding, thought to be a problem of the Table 2: Rates of late Vitamin K deficiency bleeding in infants with no . K. Their levels are lowest at days and do not reach adult levels until about 6 months of age. . All of these mothers were already eating levels of Vitamin K above the.
The vitamin K - dependent coagulation proteins are synthesised in the liver and .. First, phylloquinone levels at birth are about one-fifth those in adults and . the plasma levels in the elderly group only rose slightly above this lower limit in the.
the second and fourth days and the level then rapidly rises to nearly normal by the seventh day. extreme, the condition of haemorrhagic disease of the newborn occurs. Treat- ment with vitamin K rapidly restores the prothrombin level to normal with cure of the disease seconds above adult controls. 3. Five infants .