3. No drugs or dietary supplements that affect blood pressure and vascular endothelial function have been used in the past 3 months, mainly including antihypertensive, lipid-lowering, hypoglycemic drugs and natural plant extract antioxidants
4. Individuals who voluntarily sign the consent form after being fully informed and understanding the purpose and procedure of the study, characters of the disease, drug effects, methods of related examinations, and potential risk/benefits of the study
You may not be if
1. Individuals with secondary blood pressure rise factors
2. Individuals who are hypersensitive or intolerant to the drugs
3. Individuals presenting severe constipation
4. Individuals with severe heart disease, abnormal liver and kidney function, acute and chronic infections, autoimmune diseases and patients with any history of cancer
5. Individuals with mental diseases who are not able to cooperate
6. Pregnant women, women during breast-feeding period, or women with expect pregnancy
7. Individuals with hemolytic anemia and glucose-6 phosphate dehydrogenase deficiency
