are b12 patches as effective as injections Vita Sciences B-12 Patch – Vitamin Energy & Focus Patch Vitamin B12 Skin Patches –

It can take a few weeks to a month to notice the effects of B12 shots, since your body has to replenish your stores of this vitamin

Their diet may not be as good for absorbing B12

this occurs because there is not enough vitamin B12 in the diet, or poor absorption Pernicious anemiaa type of megaloblastic anemia caused by a lack of intrinsic factor, so that vitamin B12 is not absorbed Fatigue, weakness Nerve damage with numbness, tingling in the hands and legs Memory loss, confusion Dementia Depression Seizures Up to 15% of the general population has a B12 deficiency

The early signs you notice after starting B12 treatment indicate that your body is responding to the therapy