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10.1007/s13346-018-00613-y [DOI] [PubMed] 15.Parry Strong A, Haeusler S, Weatherall M, Krebs J (2016) Sublingual vitamin B12 compared to intramuscular injection in patients with type 2 diabetes treated with metformin: a randomized trial

Those with absorption challenges

Bulletin of Experimental Biology and Medicine (2017) 3

By blocking this enzyme, it helps restore metabolic function in fat cells
