1, causing digestive system discomfort: the most common harm of vitamin K2 is the symptoms of digestive system, and patients will have symptoms such as nausea, vomiting and diarrhea.
2, causing abnormal changes in the skin: if it is a person with poor physical fitness, the skin will have itching, redness, rash and other abnormal changes.
3. Decreased iron content in blood: Because vitamin K2 has blood dilution effect, long-term use will lead to decreased iron content in blood.