It is possible to drink saffron with insufficient blood supply to the brain, that’s for sure. Insufficient cerebral blood supply refers to insufficient blood supply to the cerebral arteries, most patients are caused by serious underlying metabolic diseases, caused by cerebral arteriosclerosis, even caused by cerebral artery plaque, cerebral artery stenosis. Specific metabolic diseases include hypertension, diabetes mellitus, hyperlipidemia, etc. These diseases cause the formation of lipid patterns in the cerebral arteries, which in turn form cerebral artery plaques. From the point of view of Chinese medicine, one can also consider taking oral medications to activate blood circulation, reduce blood viscosity and improve brain circulation, and saffron is just such a medication that can well improve brain circulation, especially posterior circulation.