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GHK-Cu: The Collagen Promoter This copper peptide has been researched since the 1970s and primarily works by increasing collagen production

Although there is no documented connection between vitamin B12 deficiency and MS, researchers have explored its potential as a metabolic cause

PubMed, Danailova, Yana, et al

Metformin, the first-line oral glucose-lowering agent recommended by NICE for type 2 diabetes (NG28), is well established as a cause of B12 malabsorption
