This is true. If homocysteine is significantly elevated in the blood, it is possible to take oral folic acid under the guidance of a doctor for treatment. Elevated homocysteine concentration in the blood will increase the risk of coronary heart disease, cerebrovascular disease and peripheral vascular disease, while folic acid can promote the metabolism of homocysteine and reduce the level of homocysteine in the blood, thus playing a role in the prevention of cardiovascular and cerebrovascular diseases. In addition to taking oral folic acid as prescribed by the doctor, you can also combine vitamin B6, vitamin B12 and other treatments, and usually eat more green vegetables and fruits, and go outdoors more often for exercise. After taking the medicine, nausea, loss of appetite and other adverse reactions may occur. It should be noted that it is forbidden for those who are allergic to folic acid drugs, and caution should be exercised for those with abnormal liver and kidney functions, and alcohol consumption is prohibited during the medication. If you detect elevated homocysteine in the blood, it is recommended to visit the hospital in time to clarify the cause of the disease under the guidance of the doctor and carry out targeted treatment.