Lycium barbarum is suitable for people with weak constitution and poor resistance. But in the process of taking it, you must stick to it for a long time and eat a little every day to be effective. Lycium barbarum contains betaine, amino acids, carotene, vitamin B 1, B2, C, calcium, phosphorus and iron. It is beneficial to human health, but we should pay attention to the dosage. Excessive consumption of Lycium barbarum will make people get angry, nosebleed and even make their eyes red and uncomfortable.

"Materia Medica Classic" mentioned: "People with weak spleen and stomach are not allowed to enter when they have diarrhea". Even though Lycium barbarum L. has good nourishing and therapeutic effects, it should not be eaten by people suffering from hypertension, impatience or facial redness, cold and fever, inflammation and diarrhea caused by eating too much meat on weekdays. "Compendium of Materia Medica" mentioned: "People with cold phlegm in the spleen and stomach are not allowed to have diarrhea."