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what is better b12 injections or tablets vs Oral Supplements: Which are more effective? B12 Injections vs. Oral Supplements:
Description
B1 has also increased my energy & may have lowered my arthritis pain too

doi:10.1177/15648265080292S111

Once used up, cyanocobalamin could theoretically cause cyanide toxicity particularly in those with kidney failure

It maintains effectiveness over extended use
Once your levels improve, you'll shift to a maintenance phase
