Every product has its own suitable crowd and taboo crowd. If it is not suitable for people to use, it will not only fail to achieve the corresponding effect, but also bring harm to the body, which will not pay off. There are also people who can't use small molecular collagen peptides, which mainly include the following categories. The first group of people is people with poor renal function and liver function. If these people use small molecular collagen peptides, it will increase the burden on the liver and kidney and make the liver and kidney function worse, which is not good for their health, so these people can't use them. The second group is pregnant women. Don't use small molecular collagen peptides, because pregnant women will have an impact on the growth and development of the fetus after using small molecular collagen peptides, which is not conducive to the health of the fetus. The third group is people who are too weak, so-called deficiency is not supplemented. If such people use small molecular collagen peptides, their bodies will become weaker. What is introduced above is the small molecular collagen peptide. Who can't use it? We already know who can't use this product, so when using this product later, we should first understand whether it belongs to the above groups of people. In addition, people with diseases should consult their doctors before using it.