b12 injections the needle vegan Benefits Of B-12 For Vegans & Vegetarians Vitamin B12 Injections: What You
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The formula included 1000 g of cyanocobalamin
I also have an IM at the surgery every 6 weeks

When you take a B12 pill, it has to go through your digestive system, where much of the vitamin can be lost before your body can use it

The NHS hypokalaemia overview explains why it matters, and clinical references such as StatPearls on B12 deficiency treatment specifically flag monitoring potassium during the early loading phase in people who were severely deficient