lump under skin from b12 injection site Weird 3D bump on : r/mounjarouk Best Vitamin B12 Injection Sites:
Description
The pyruvate requirement of some members of the Mycobacterium tuberculosis complex is due to an inactive pyruvate kinase: implications for in vivo growth

This is because their bodies cant absorb it well
Ledoux S, Flamant M, Calabrese D, Bogard C, Sami O, Coupaye M
Regular follow-up should include assessment of weight loss trajectory, tolerability, medication adherence, and renal function if significant GI symptoms occur
