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Commonly reported side effects can include mild pain or some bruising where the injection is given, allergic reactions such as rashes or itching, and occasionally nausea or stomach discomfort
Maintenance improvements are subtler
Possible Side Effects (Observed in Research / Reports) Mild injection-site irritation, stinging, or sensitivity
Vitamin K2 (menaquinones) Vitamin K2 participates in the synthesis of blood clotting factors in the liver, as does vitamin K1
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