This fat-soluble vitamin helps prevent internal bleeding and hemorrhages and aids in reducing excessive menstrual flow. These benefits come from the micronutrient's vital role in forming prothrombin, a blood-clotting chemical. Protects in cuts and injuries.
Good for these Symptoms:
Signs of Deficiency: Defective blood clotting-occasionally seen in newborns, rare in others
Optimal Level: From dietary sources
Drug Interactions: Oral anticoagulants (K reduces these drugs' effects)