1. Lowering blood sugar: Barley kernel is rich in β-glucan, which can enhance insulin sensitivity and lower blood sugar.

2. Improve gastrointestinal function: Barley kernel is rich in cellulose and dietary fiber, which can promote gastrointestinal peristalsis and prevent constipation and gastrointestinal diseases.

3. Reduce fat and lose weight: β -glucan in barley kernel can inhibit fat absorption and reduce fat accumulation, which has a certain weight loss effect for obese people.

4. Strengthening bones: Barley kernel is rich in minerals such as calcium and magnesium, which is helpful for bone growth and strengthening.

5. Improve immunity: Barley kernels are rich in polysaccharides and multivitamins, which can enhance human immunity and prevent colds and diseases.

Taboos of barley kernel include:

1. Some people may have allergic reactions and should avoid eating them.

2. Barley kernel contains oxalic acid, and excessive consumption may affect the absorption and metabolism of calcium.

3. Barley kernel contains certain saturated fatty acids, which should be restricted for people with hyperlipidemia.