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After 48 to 72 hours, your body will start using the new B12 to generate red blood cells and perform other important functions

Your GP can determine the specific cause through clinical assessment and targeted investigations

Here is a simple side-by-side of how long each method usually takes for common changes

Some medications must be refrigerated, while others should be brought to room temperature before use

Naturally, when a B12 deficiency is suspected or diagnosed, the next question often arises: whats the best way to get it back on track

If a licensed Nexa provider determines you're not eligible, you receive a full refund before anything ships