Everyone knows that bird's nest is a kind of health food with high nutritional value. It is mainly white, but some ingredients similar to bird's nest in the market are red. Merchants say it is called blood swallow, so what is blood swallow? What effects and functions will people have after eating it?

What is a blood swallow?

Blood Swallow is actually a kind of bird's nest, which is a fine product in bird's nest. Jin Siyan built its nest on the rock wall of the cave, and the minerals in the rock wall reacted to make this bird's nest absorb a lot of trace element iron, which changed its color and became a red bird's nest. People also named it Blood Swallow according to its characteristics.

Efficacy and function of blood swallow

1, blood tonic

Blood-enriching is one of the important functions of the college. Blood swallow is not only a fine product in bird's nest, but also rich in trace element iron. The appearance of this food is mostly dark red. After people eat it, they can quickly absorb and utilize the trace element iron contained in it, which can enhance the hematopoietic function of human body and play an obvious role in blood-enriching.

2, prolong life

Usually, people eat more blood swallows, and can absorb rich active glycoproteins, as well as some trace elements such as calcium, iron, phosphorus, various amino acids and some vitamins. These nutrients can not only promote human metabolism, but also nourish yin and tonify kidney, clear heat and strengthen spleen, and even delay human aging. Regular consumption can prolong life.

3. Protect the liver

Blood swallow can not only tonify deficiency and improve human quality, but also protect human liver. It contains some active components that can improve the activity of liver cells, enhance the detoxification function of liver, and repair damaged liver cells. Eating more blood swallow at ordinary times can prevent hepatitis and cirrhosis, and also reduce the incidence of liver cancer.

4. beauty beauty

Blood Swallow also contains some natural collagen and a variety of trace elements, which can increase skin elasticity and prevent wrinkles and spots. In addition, it can nourish qi and blood, which can prevent people from looking dark and yellow after eating it, and make people's skin firm and smooth. It can keep people's skin in a relatively young state all the time.