Kelp is a kind of vegetable with high nutritional value, which is rich in trace elements needed by human body. But eating a lot of kelp also has its disadvantages. The so-called quantitative change causes qualitative change, and what is beneficial will become harmful.

The benefits of eating kelp:

1, kelp is rich in amino acid, potassium salt and calcium, which can reduce the absorption of cholesterol and lower blood pressure.

2, lipid-lowering, fatty acids and fiber can clear the cholesterol in the blood vessel wall.

3, improve immunity, kelp can improve the body's humoral immunity and promote the body's cellular immunity.

4, diuresis, swelling. The dried kelp is covered with a layer of white powder like hoarfrost-mannitol, which is a valuable medicinal substance. Modern scientific research has proved that mannitol has the functions of lowering blood pressure, diuresis and detumescence.

5, calcium supplementation, kelp contains a lot of calcium, which can provide rich calcium for the human body. It is suitable for adolescents and the elderly who grow up in adolescence to supplement calcium.

Disadvantages: Excessive or long-term consumption may lead to thyroid nodules.

In fact, eating kelp has many advantages and is suitable for most people. It is especially suitable for iodine deficiency, goiter, hypertension, hyperlipidemia, coronary heart disease, diabetes, arteriosclerosis, osteoporosis, malnutrition anemia, hair thinning, ascites due to liver cirrhosis and neurasthenia. However, it should be noted that pregnant women and lactating women should not eat more kelp, because kelp is rich in blood and breast milk, which will circulate into the fetus or baby, causing thyroid dysfunction.

In addition, people with hyperthyroidism should not eat too much, and the high content of kelp will aggravate the condition.

Eating kelp has many benefits and is a recommended vegetable. But it should not be eaten in excess or as a staple food.