1, quality: Yangshengtang vc comes from acerola cherry concentrate, and contains elements such as polyphenols and vitamin P without adding synthetic vc, artificial colors and preservatives, so it has high biological activity and is easy to absorb, while Jianmeisheng vc is a synthetic VC with preservatives, which has low biological activity and is not easy to absorb.

2. Word of mouth: Yangshengtang vc has a good reputation, high user dependence and high cost performance, while Jianmeisheng vc has low user dependence and low cost performance.