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It carries about one quarter of vitamin B12 in serum Transcobalamin I (haptocorrin) and III bind inactive or circulating B12 pools 2 More about the transcobalamins: TCB I and III: 6070kDa molecular weight proteins Belong to the haptocorrin (HC) superfamily HCs, also called R-binders or cobalophilins, are found in various tissues and biological fluids TCB I and III are derived from the granulocyte line and are markers of neutrophilic secondary granules, which explains their increase in myeloproliferative disorders (MPDs)

They reported an improved rate of collagen formation

The Role of Copper in Skin Function Copper isn't optional for healthy skin

J.DongD.CuiS.et al (2013)

It induces bone growth and is involved in the regulation of lipid, carbohydrate, nitrogen, and mineral metabolism and electrolyte balance