The main ingredient that makes up the bird's nest is the bird's saliva. Swiftlets are one of only two bird species that do not make nests of straw or dry grass.

They only like to nest on cliffs. Every morning, Yen leaves the nest to look for food. This is a very strong flying bird, able to fly over 50km to find food and return within the same day.

Pink bird's nest: A type of bird's nest with orange, yellow and pinkish colors.

Blood bird's nest: A type of bird's nest that is red like blood. This type of bird's nest is very rare, accounting for only 10% of total natural bird's nest production.

White bird's nest: Also known as white bird's nest, this is the most popular type of bird's nest on the market. Although the price is low, the nutritional value is not inferior to other bird's nest products.

There are many rare bird's nests born here such as blood bird's nest and red bird's nest.

The amount of nutrients that bird's nest provides is extremely high, so the price is more expensive.

Island bird's nest: Island bird's nest is also known as natural bird's nest. It lives in cool, high-humidity caves.

Homemade bird's nest: These are bird's nests grown at home. Inside are attracting devices and tools to create an environment and temperature for the bird's nest to live.

Classifying bird's nests by age is a method used by many people

The older the bird's nest, the more beautiful and larger the nest will be than the younger bird's nest.

When steamed, the elasticity and crispness of old bird's nest are also slightly better.

Nest foot: Is a small part of the bird's nest. This is where the bird clings to the surface to build its nest. The legs are thick and hard, small in size

Cake: This bird's nest is quite small, soft like a cake. The reason is because the nest has not yet been completed.

Triangular bird's nest: A bird's nest with two legs missing. The reason is because the bird's nest is built at a triangular wall. Or it's because mining causes the nest's legs to break.

Cup-shaped bird's nest: A large, intact bird's nest.

Step 3: Process of preparing raw bird's nest

Step 4: Remove all impurities and clean the bird's nest

Step 2: Clean and prepare to process bird's nest

Step 5: Mold, dry and store

Step 1: Classify and check the quality of raw bird's nest

Bird's nest contains a protein that can promote the formation of B cells to help increase the body's immune system.

Cells are a group of healthy cells that contribute to the continuous production of antibodies, forming a healthy immune system that helps prevent many dangerous diseases.

The Department of Anatomy at the National University of Malaysia has shown that bird's nest is effective in keeping the cornea healthy.

Bird's nest helps pregnant mothers reduce hair loss. Recover quickly after giving birth, sleep better. However, pregnant women in the first 3 months should not eat bird's nest.

In addition, bird's nest also has the effect of beautifying the skin, preventing wrinkles and preventing aging.

Using bird's nest regularly can reduce symptoms of tuberculosis, asthma, digestive disorders or neurological disorders.

Bird's nest has the ability to provide many essential nutrients to help maintain health and brain function.

Using bird's nest in moderation will help your nervous system function more stably and strongly, thereby helping to improve memory and increase concentration.