can you take b12 injections and tablets Best Time to Vitamin B12: Morning or Night? (2026) – Future Kind Can I Take B12 Tablets

If you draw 20 units from the new vial, you are now injecting 1.0 mg, double your intended dose

Severe Vitamin B12 Deficiency In cases of severe vitamin B12 deficiency that require rapid correction, such as neurological symptoms or complications, healthcare providers may opt for methylcobalamin injections to ensure a quick increase in B12 levels

Batches manufactured prior to June 2026 may not include Residual Solvent Analysis as part of their testing panel

Note that these two documented starting doses are worlds apart in size 150 mcg versus 2.5 mg is a roughly 17-fold difference

Am J Physiol Endocrinol Metab 287 : E405E413 Guo Y et al