ascorbic acid vitamin c is necessary for the formation of antibodies and collagen, keeping blood vessels intact, and promoting the absorption of non-heme iron. At the same time, ascorbic acid vitamin c also has anti-oxidation, anti-free radicals, and inhibits the formation of tyrosinase, so as to achieve whitening and spot-lightening effects. ascorbic acid vitamin c Promote antibody formation. The high concentration of vitamin C helps reduce the cystine in food protein to cysteine, thereby synthesizing antibodies