1. Nourishing liver and kidney: Lycium barbarum L. has the effects of nourishing liver and kidney, strengthening the body, and improving the immunity and anti-fatigue ability of the body.

2. Liver protection: Lycium barbarum can regulate liver function, increase the regenerative capacity of hepatocytes, protect the liver and prevent and treat liver diseases.

3. Nourishing yin and enriching blood: Lycium barbarum is rich in nutrition, can nourish yin and enrich blood, maintain health and care, and has a good effect on regulating endocrine, improving skin quality and relieving mood.

4. Improve eyesight: Black wolfberry is rich in carotene and vitamin A, which helps to improve eyesight and protect eye health.

5. Lowering blood fat: Lycium barbarum can also lower cholesterol and blood fat in the blood, which has a good effect on the prevention and treatment of cardiovascular diseases.

Contraindications of Lycium barbarum L.:

1. Pregnant women are prohibited: black wolfberry is warm and tonic, and pregnant women should not eat it.

2. People with dry mouth and thirst should not eat: black wolfberry moistens the mouth, which is easy to cause people with dry mouth and thirst to avoid eating.

3. People in damp heat constitution don't eat: Black Lycium barbarum is warm, but people in damp heat constitution don't eat it.

4. Fasting for diarrhea patients: black wolfberry nourishes, which is easy to help wet, and diarrhea patients should use it with caution.