does sublingual b12 work as well as injections When would sublingual B12 supplements

This might include limiting alcohol intake

[6] In all cases, a healthcare provider should evaluate patient history for any contraindication before initiating therapy

Note: The above statements have not been evaluated by the Food and Drug Administration

Converts nutrients from food into usable energy

They are all uncommon causes

High-dose supplementationparticularly intramuscular injections that can deliver 1,000 micrograms or morecreates substantially elevated serum B12 levels compared to dietary intake, which may more readily trigger these bacterial changes, though comparative studies between different forms are limited