What are the effects and contraindications of leeks?

Leek is also known as Qi Yang Grass, Aphrodisiac Grass, Bian Cai, warm in nature, pungent in flavor, and belongs to the kidney, stomach, liver and lung meridians.
Efficacy: tonifying the kidney, warming the middle, moving qi, dispersing blood stasis, detoxification.
Applicable people: leeks and round-grained rice porridge to eat for spleen and kidney yang deficiency caused by abdominal pain, impotence and premature ejaculation, lumbar and knee weakness, frequent urination, excessive leucorrhea, menstrual leakage more than the crowd; fresh pounded into the juice to drink for the chest stifling, pain and other people.
Nutritional value: leek contains a variety of vitamins, minerals and dietary fiber and other nutrients.
Methods of consumption: suitable for fried or made into stuffing to eat.
Precautions: People with stomach and duodenal ulcers, gastritis, fever and canker sores need to eat with caution.
In the case of daily consumption, the effectiveness of food is limited, and can not play a role in the treatment of disease. If there are any uncomfortable symptoms, please seek medical advice to avoid delay.