The main difference between collagen powder and collagen oral liquid is that one is unilateral collagen and the other is compound collagen. The former is cheap and a little troublesome to use. In order to better absorb and play a role, it is generally recommended to match vitamin C (a product of Liyan's collagen composite powder already contains vitamin C); Collagen oral liquid is a kind of compound compatibility, which is the comprehensive effect of various nutritional ingredients through scientific collocation. Collagen is just one of the nutrients. The addition ratio of various nutrients is obtained through scientific statistics and numerous verifications, and has different efficacy characteristics, rather than simply adding, which is the same as the formula of Chinese and western medicines. So which brand should I choose? It is suggested to choose beauty beauty functional beverage formula brand that has been audited by the national authoritative organization, such as Yipin Liyan.

Capsules are convenient to take, mainly depending on the price. In addition, it is important to note whether they are unilateral or composite. Generally speaking, the cost performance of capsules is low.