b12 tablets vs injections Oral Supplements: Which are more effective? Vitamin B12 Injections vs. Supplements:

Sublingual (under-the-tongue) forms dissolve in your mouth, theoretically enhancing absorption by allowing some B12 to enter the bloodstream through mucous membranes rather than relying solely on digestive uptake

A: Yes, B12 injections have an excellent safety profile

People taking certain common medications including metformin for blood sugar management and proton pump inhibitors for acid reflux also face increased deficiency risk

Maintenance therapy generally requires monthly injections, though some individuals benefit from biweekly administration depending on their bodys utilization rate and any ongoing absorption challenges