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Vitamin K

Vitamin K is needed to produce prothrombin, without which the blood will not clot. It is also essential for healthy bones where it is used to synthesize osteocalcin, the protein in bone tissues on which calcium then crystallizes. It can help reduce heavy menstrual flow and will promote healthy liver function. Signs of vitamin K deficiency: Blood-clotting problems and it may also play a role in coeliac disease.

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