reddit vitamin b12 injection source injections — IV vs intramuscular (syringe) experience? : r/Fitness_India Benefits of B12 Injections for
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J Biol Chem (1994) 269(20):1483540

its activity is diminished in cellular assays owing to its swift degradation to adenosine and Hcy by SAH hydrolase ( Streptomyces , serves as a SAM-mimicking methyltransferase inhibitor

You can even pair injections with your IV sessions or stop in for a quick weekly visit no downtime required.

This can improve energy levels and prevent anemia

The sudden increase in B12 can cause nausea, dizziness, and headaches when first injected into the muscle

Similarly, it appears that knowledge of the need to replace B12 was equivalent: TG 59.3% versus STG 41.0%, p = 0.081
