1, people with poor renal function should not take too much.

2, vitamin C should not be eaten on an empty stomach.

Don't stop taking vitamin c immediately after taking it in large quantities.

4. Don't take vitamin C with other ingredients.

5. vitamin c has a destructive effect on vitamin a.

The optimal dose of vitamin C per person per day should be 200 ~ 300mg, and the minimum is 60μ g. ..

Half a glass of fresh orange juice can meet the minimum amount of vitamin C per person per day. Usually eat more fresh fruits and vegetables.

Worth choosing: 1? Look at the content of active ingredients, whether there are bad additives; 2? Look at the platform, whether the qualifications are complete, whether there is a traceability mechanism and after-sales guarantee.