Teach you a very simple method. Go to the website of the US Food and Drug Administration. This brand and health care products are approved by the state. The approval will clearly point out that the health care products are effective, and the national publicity website cannot be faked. Check it yourself.

As far as I know, the only company in Shanghai that can approve "anti-aging" is nano-selenium.

In order to delay aging, don't choose the wrong one, or you will spend money and delay your youth.