Yes According to Zhihu's inquiry, vitamin C bought by big pharmacies can be fed to cattle. Vitamin C, also known as vitamin C, is a polyhydroxy compound with the chemical formula of C6H8O6. Its structure is similar to glucose. The second and third adjacent enolic hydroxyl groups in its molecule are easy to dissociate and release H+, so it has the property of acid, also known as L- ascorbic acid.