What are the benefits of vitamin A and are there any side effects?

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Be careful to supplement excessive intake of vitamin A!

Retinol, the precursor of vitamin A, is fat-soluble, so it dissolves in fat and accumulates in the body.

Therefore, if you consume too much vitamin A, you may experience symptoms such as headaches and nausea.

There is no need to worry about normal meals, but if you supplement with vitamin A, be careful of overdose.