What is bird's nest acid in milk powder and what is its function?

Bird's nest acid, also known as sialic acid, is a 9-carbon monosaccharide derivative. This negatively charged ion can make saliva feel smooth, and this negatively charged ion can help children's brain development and retinal development.

If bird's nest acid is ingested, it can effectively improve immunity, resist free radicals and delay skin aging.

Moreover, bird's nest acid also has certain antiviral effect, which can prevent colds. Bird's nest acid can accelerate the ejection ability of the heart and has a certain regulatory effect on palpitation.

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In addition, the content of collagen in bird's nest acid is more, which can increase skin elasticity and eliminate facial fine lines.