Both are the same thing. It's just that the kelp is from heel to slightly, and the thickness is uneven; the kelp angle is more uniform, with similar thickness, and it is more convenient to cook. The kelp head is a flat cylindrical stem that tastes the same, but is thicker than the thinner ones. The taste is slightly different. The difference between roots and leaves varies from person to person. Some people like to eat the roots, while others like to eat the kelp heads. So it doesn’t matter which one is better.

The efficacy and role of kelp

1. Prevention and treatment of goiter: kelp contains iodine and iodide, which has the effect of preventing and treating iodine deficiency goiter;

2 , Lowering blood pressure: Kelp, potassium salt, and calcium can reduce the body's absorption of cholesterol and lower blood pressure;

3. Lipid lowering: Kelp contains a large amount of unsaturated fatty acids and dietary fiber, which can remove adhesion. Cholesterol on the blood vessel wall regulates the gastrointestinal tract and promotes the excretion of cholesterol;

4. Inhibit tumors: hot water extract has obvious cytotoxic effects on human KB cancer cells in vitro and is effective on S180 tumors. It has obvious inhibitory effect, and kelp is also rich in anti-cancer star - selenium, which has the effect of preventing cancer;

5. Improve immunity: kelp can improve the body's humoral immunity and promote the body's cellular immunity. There are many foods that regulate immunity, and shiitake mushrooms are one of them;

6. Hypoglycemic: Kelp contains 60% of fucoidan, which is an excellent dietary fiber. Diabetic patients can delay the development of diabetes after eating it. The time it takes for gastric emptying and food to pass through the small intestine, so that even when insulin secretion is reduced, blood sugar levels will not rise, thus achieving the purpose of treating diabetes;